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Question Number 36622 Answers: 0 Comments: 0

Question Number 36601 Answers: 0 Comments: 2

i want to share proof that universe and mathematics co related...golden ratio...is the proof...fibanocci numbers present in resl life if you want i can share...

$i w a n t t o s h a r e p r o o f t h a t u n i v e r s e a n d$ $m a t h e m a t i c s c o r e l a t e d . . . g o l d e n r a t i o . . . i s t h e$ $p r o o f . . . f i b a n o c c i n u m b e r s p r e s e n t i n r e s l l i f e$ $i f y o u w a n t i c a n s h a r e . . .$

Question Number 36981 Answers: 0 Comments: 3

Question Number 36475 Answers: 1 Comments: 1

2 regtangle A and B given that the legnth of A is three times the legnth of B,and the Perimeter of A is 102cm. If the Area of B is same as 2 times the Area of a Trapezium with 2 parrallel sides 5cm and 4cm with hieght 6cm. find the lengths and widths of A and B.

$2 r e g t a n g l e A a n d B g i v e n t h a t$ $t h e l e g n t h o f A i s t h r e e t i m e s t h e$ $l e g n t h o f B, a n d t h e P e r i m e t e r o f$ $A i s 102 c m . I f t h e A r e a o f B i s$ $s a m e a s 2 t i m e s t h e A r e a o f a T r a p e z i u m$ $w i t h 2 p a r r a l l e l s i d e s 5 c m a n d 4 c m$ $w i t h h i e g h t 6 c m . f i n d t h e l e n g t h s$ $a n d w i d t h s o f A a n d B .$

Question Number 36472 Answers: 1 Comments: 0

what is the area of the sector of a circle with Radius 3(1/2)cm at 30° from the centre (take π= ((22)/7)).

$w h a t i s t h e a r e a o f t h e s e c t o r o f a c i r c l e$ $w i t h R a d i u s 3 \frac{1}{2} c m a t 30 ° f r o m t h e$ $c e n t r e (t a k e π = \frac{22}{7}) .$

Question Number 36389 Answers: 0 Comments: 0

If μ is a universal set and A,B,C are 3 sets . Given that n(μ)= 52 , n(A∩B) = 26 and n(A ∪ C) = 32 find n(A),n(B) and n(C)

$If μ is a universal set and A, B, C are$ $3 sets . Given that$ $n (μ) = 52, n (A \cap B) = 26 and$ $n (A \cup C) = 32 find n (A), n (B) and$ $n (C)$

Question Number 36385 Answers: 1 Comments: 1

Question Number 36368 Answers: 0 Comments: 0

In an organic Compound Carbon = 85.7% Hydrogen = 14.3% and RMM= 56 find the molecular formular.

$In an organic Compound Carbon$ $= 85 . 7 % Hydrogen = 14 . 3 % and$ $RMM = 56 find the molecular$ $formular .$

Question Number 36328 Answers: 0 Comments: 1

find the perimeter of a right angle triangle 4xcm high and 5xcm base

$find the perimeter of a right angle$ $triangle 4 x c m h i g h a n d 5 x c m b a s e$

Question Number 36291 Answers: 1 Comments: 0

find the image of (−2,3) after the reflection on the a) x−axis b) y−axis

$find the image of (- 2, 3) after the$ $reflection on the$ $a) x - axis b) y - axis$

Question Number 36290 Answers: 2 Comments: 1

Find the angle between the lines l_1 :y − x −4 = 0 and l_2 :2x − y = 7 and hence the perpendicular distance from one point on l_1 to l_2 .

$Find the angle between the lines$ $l_{1} : y - x - 4 = 0 and l_{2} : 2 x - y = 7$ $and hence the perpendicular$ $distance from one point on l_{1}$ $to l_{2} .$

Question Number 36239 Answers: 0 Comments: 1

the opposite side of a triangle is x + y,and the hypotenuse is 3x+y Given that that A is an acute angle find the value of Cos A

$the opposite side of a triangle is$ $x + y, and the hypotenuse is 3 x + y$ $Given that that A is an acute angle$ $find the value of Cos A$

Question Number 36218 Answers: 0 Comments: 1

proof that 2((√n) − 1) < 1 + (1/((√2) )) + (1/(√3))+...+ (1/(√n)) < 2(√n)

$proof that$ $2 (\sqrt{n} - 1) < 1 + \frac{1}{\sqrt{2}} + \frac{1}{\sqrt{3}} + . . . +$ $\frac{1}{\sqrt{n}} < 2 \sqrt{n}$

Question Number 36217 Answers: 1 Comments: 0

Suppose a_1 ,...,a_n ,are non−negative reals such that S= a_1 +...+a_n < proof that 1 + S≤ (1 + a_1 )._(...) .(1+ a_n ) ≤ (1/(1−s))

$Suppose a_{1}, . . ., a_{n}, are non - negative$ $reals such that S = a_{1} + . . . + a_{n} <$ $p r o o f t h a t$ $1 + S ⩽ (1 + a_{1}) ._{. . .} . (1 + a_{n}) ⩽ \frac{1}{1 - s}$

Question Number 36191 Answers: 0 Comments: 1

let D = {(x,y)∈R^2 /x>0 ,y>0,x+y<1} 1) calculate ∫∫_D ((xy)/(x^2 +y^2 ))dxdy 2) let a>0 ,b>0 calculate ∫∫_D a^x b^y dxdy

$l e t D = {(x, y) \in R^{2} / x > 0, y > 0, x + y < 1}$ $1) c a l c u l a t e \int \int_{D} \frac{x y}{x^{2} + y^{2}} d x d y$ $2) l e t a > 0, b > 0 c a l c u l a t e \int \int_{D} a^{x} b^{y} d x d y$

Question Number 36168 Answers: 0 Comments: 3

let A(t) = ∫_(−∞) ^(+∞) ((sin(xt))/(( x +1+i)^2 )) dx with t from R 2) calculate A(t) 2) extract Re(A(t)) and Im(A(t)) 3) find the value of ∫_(−∞) ^(+∞) ((cos(3x))/((x+1+i)^2 ))dx

$l e t A (t) = \int_{- \infty}^{+ \infty} \frac{s i n (x t)}{{(x + 1 + i)}^{2}} d x w i t h t f r o m R$ $2) c a l c u l a t e A (t)$ $2) e x t r a c t R e (A (t)) a n d I m (A (t))$ $3) f i n d t h e v a l u e o f \int_{- \infty}^{+ \infty} \frac{c o s (3 x)}{{(x + 1 + i)}^{2}} d x$

Question Number 36166 Answers: 0 Comments: 1

Find the middle term in the expansion of (x^ + (3/x))^9

$Find the middle term in$ $the expansion of {(x^{} + \frac{3}{x})}^{9}$

Question Number 36148 Answers: 0 Comments: 0

[2^x −^(+ 3) 1 4^(2y+x) x6]=[3^(0−7) 2x]

$[\overset{x}{2} \overset{+ 3}{-} 1 \overset{2 y + x}{4 x 6}] = [\overset{0 - 7}{3} 2 x]$

Question Number 36092 Answers: 1 Comments: 1

solve for 0°≤ θ ≤ 360° the equation cos(θ + (π/3))= (1/2)

$solve for 0 ° ⩽ θ ⩽ 360 ° the equation$ $\cos (θ + \frac{π}{3}) = \frac{1}{2}$

Question Number 36091 Answers: 0 Comments: 1

Given the position vectors v_1 = 2i − 2j and v_2 = 2j, show that the unit vector in the direction of the vector v_1 − v_(2 ) is (1/(√5))(i−2j)

$Given the position vectors$ $v_{1} = 2 i - 2 j a n d v_{2} = 2 j,$ $show that the unit vector in$ $the direction of the vector$ $v_{1} - v_{2} is \frac{1}{\sqrt{5}} (i - 2 j)$

Question Number 36080 Answers: 2 Comments: 1

i want to know how α^2 + β^2 = (α+β)^2 − 2αβ why not α^2 +β^2 = (α+β)^2 + 2αβ?

$i want to know how$ $α^{2} + β^{2} = {(α + β)}^{2} - 2 α β why not$ $α^{2} + β^{2} = {(α + β)}^{2} + 2 α β ?$

Question Number 36059 Answers: 1 Comments: 0

Question Number 36049 Answers: 0 Comments: 0

A triangle △ABC is constructed such that ∠B= 90° and AB= 5cm Given that ∠C= 45° . show that the point (2,0) lie on the line BC and is perpendicular to AB but meet at 45^ ° with the line AC.

$A triangle △ ABC is constructed$ $such that ∠ B = 90 ° and AB = 5 cm$ $Given that ∠ C = 45 ° . show that$ $the point (2, 0) lie on the line$ $BC and is perpendicular to AB but$ $meet at 45^{} ° with the line AC .$

Question Number 36034 Answers: 1 Comments: 1

Question Number 36011 Answers: 0 Comments: 2

simplify: ′interval number′ (1,6)∪(3,7)

$simplify :^{'} i n t e r v a l {n u m b e r}^{'}$ $(1, 6) \cup (3, 7)$

Question Number 35987 Answers: 0 Comments: 4

let f(x) = (1/(1+x^3 )) 1) calculate f^((n)) (x) 2) developp f at integr serie.

$l e t f (x) = \frac{1}{1 + x^{3}}$ $1) c a l c u l a t e f^{(n)} (x)$ $2) d e v e l o p p f a t i n t e g r s e r i e .$

Pg 109 Pg 110 Pg 111 Pg 112 Pg 113 Pg 114 Pg 115 Pg 116 Pg 117 Pg 118

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