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Question Number 75988 Answers: 0 Comments: 3

Question Number 75987 Answers: 1 Comments: 0

Question Number 75986 Answers: 1 Comments: 1

Question Number 75985 Answers: 1 Comments: 0

Question Number 75984 Answers: 1 Comments: 0

Question Number 75983 Answers: 0 Comments: 2

show that cos^6 x+sin^6 x=(1/8)(5+3cos4x)

$show that$ $\cos^{6} x + \sin^{6} x = \frac{1}{8} (5 + 3 \cos 4 x)$

Question Number 75976 Answers: 0 Comments: 3

hello solve it in ]−π;π] and place solutions in trigonometric circle. cos^6 x+sin^6 x=(3/8)((√3)sin4x+(8/3)) please help me...

$h ello solve it in] - π; π] and place solutions$ $in trigonometric circle .$ $\cos^{6} x + \sin^{6} x = \frac{3}{8} (\sqrt{3} \sin 4 x + \frac{8}{3})$ $please help me . . .$

Question Number 76077 Answers: 2 Comments: 3

Find the maximum area of an isosceles triangle inscribed in an ellipse (x^2 /a^2 ) + (y^2 /b^2 ) = 1with its vetrex at one end of the major axis ? ?

$Find the maximum area of an isosceles triangle$ $inscribed in an ellipse \frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1 with its vetrex$ $at one end of the major axis ? ?$

Question Number 75960 Answers: 1 Comments: 2

prove that ∫_0 ^(π/2) ln(sinx)dx=−(π/2)ln2

$p r o v e t h a t \int_{0}^{\frac{π}{2}} l n (s i n x) d x = - \frac{π}{2} l n 2$

Question Number 75955 Answers: 2 Comments: 0

help me

$h e l p m e$

Question Number 75954 Answers: 0 Comments: 2

prove that (ann(I),+,.) identical in (R,+,.)?

$p r o v e t h a t (a n n (I), +, .) i d e n t i c a l i n (R, +, .) ?$

Question Number 75953 Answers: 0 Comments: 0

prove that (C(I),+,.) identical in (R,+,.)?

$p r o v e t h a t (C (I), +, .) i d e n t i c a l i n (R, +, .) ?$

Question Number 75952 Answers: 0 Comments: 1

are this (cent(R),+,.)identical in the ring (R,+,.) ? pleas sir are you can help me?

$a r e t h i s (c e n t (R), +, .) i d e n t i c a l i n t h e r i n g (R, +, .) ?$ $p l e a s s i r a r e y o u c a n h e l p m e ?$

Question Number 75951 Answers: 0 Comments: 0

give ∫_0 ^(π/2) (x^2 /(1−cosx))dx at form of serie.

$g i v e \int_{0}^{\frac{π}{2}} \frac{x^{2}}{1 - c o s x} d x a t f o r m o f$ $s e r i e .$

Question Number 75950 Answers: 0 Comments: 2

give ∫_0 ^(π/2) (x/(sinx))dx at form of serie.

$g i v e \int_{0}^{\frac{π}{2}} \frac{x}{s i n x} d x a t f o r m o f s e r i e .$

Question Number 75940 Answers: 0 Comments: 0

Given that a∈Z and k∈Z and [a+x] = a +[x] = k a) show that k−a≤ x≤ k−a +1 b) Deduce from (a)) that [x+a] = [x] +a

$G i v e n t h a t a \in Z a n d k \in Z a n d [a + x] = a + [x] = k$ $a) s h o w t h a t k - a ⩽ x ⩽ k - a + 1$ $b) D e d u c e f r o m (a)) t h a t [x + a] = [x] + a$

Question Number 75939 Answers: 0 Comments: 2

Question Number 75938 Answers: 0 Comments: 2

solve the inequality ln(x^2 −4e^2 )< 1 + ln3x

$s o l v e t h e i n e q u a l i t y$ $l n (x^{2} - 4 e^{2}) < 1 + l n 3 x$

Question Number 75937 Answers: 1 Comments: 0

find the set of values of x for which ((ln x + 2)/(lnx−2)) > ((1−lnx)/(1+lnx))

$f i n d t h e s e t o f v a l u e s o f x f o r w h i c h$ $\frac{l n x + 2}{l n x - 2} > \frac{1 - l n x}{1 + l n x}$

Question Number 75936 Answers: 0 Comments: 2

prove that if [((x + 1)/x)] = 0 then x ≤ −1

$p r o v e t h a t i f [\frac{x + 1}{x}] = 0 t h e n x ⩽ - 1$

Question Number 75934 Answers: 0 Comments: 0

how do i sketch the curve y = x−[x] ,for 0≤x<6

$h o w d o i s k e t c h t h e c u r v e$ $y = x - [x], f o r 0 ⩽ x < 6$

Question Number 75933 Answers: 0 Comments: 2

solve the inequality a. ln(2x−e) >1 b. (lnx)^2 −lnx−6<0 c. ∣x∣ + ∣x+2∣ ≥ 2 d. ∣2x−5∣ + ∣x +2∣ > 7

$s o l v e t h e i n e q u a l i t y$ $a . l n (2 x - e) > 1$ $b . {(l n x)}^{2} - l n x - 6 < 0$ $c . ∣ x ∣ + ∣ x + 2 ∣ ⩾ 2$ $d . ∣ 2 x - 5 ∣ + ∣ x + 2 ∣ > 7$

Question Number 75932 Answers: 1 Comments: 1

solve for x the following a. ∣x∣ + 3x −4 =0 b. ∣x∣−1 = 0 c. x^2 +3∣x∣ +2 =0

$s o l v e f o r x t h e f o l l o w i n g$ $a . ∣ x ∣ + 3 x - 4 = 0$ $b . ∣ x ∣ - 1 = 0$ $c . x^{2} + 3 ∣ x ∣ + 2 = 0$

Question Number 75931 Answers: 0 Comments: 4

Evaluate a. lim_(x→∞) (((x^2 +3)/(27x^2 −1)))^(1/3) b. lim_(x→−∞) ((x−2)/(√(x^2 +1))) c. lim_(x→∞) ((x^2 +2)/(2x−3)) d. lim_(x→∞) 2x + 1 − (√(4x^2 +5))

$E v a l u a t e$ $a . \lim_{x \to \infty} \sqrt[3]{\frac{x^{2} + 3}{27 x^{2} - 1}}$ $b . \lim_{x \to - \infty} \frac{x - 2}{\sqrt{x^{2} + 1}}$ $c . \lim_{x \to \infty} \frac{x^{2} + 2}{2 x - 3}$ $d . \lim_{x \to \infty} 2 x + 1 - \sqrt{4 x^{2} + 5}$

Question Number 75930 Answers: 0 Comments: 0

consider the function f(x) = { ((1+2x^2 , if x is rational)),((1 + x^4 , if x is irrational)) :} Use the sandwich(pinchin) theorem to prove that lim_(x→0) f(x) = 1.

$c o n s i d e r t h e f u n c t i o n$ $f (x) = {\begin{cases} 1 + 2 x^{2}, i f x i s r a t i o n a l \\ 1 + x^{4}, i f x i s i r r a t i o n a l \end{cases}$ $U s e t h e s a n d w i c h (p i n c h i n) t h e o r e m t o$ $p r o v e t h a t \lim_{x \to 0} f (x) = 1 .$

Question Number 75929 Answers: 0 Comments: 2

Evaluate lim_(x→−∞) [(√(1−xe^x )) ]

$E v a l u a t e$ $\lim_{x \to - \infty} [\sqrt{1 - {x e}^{x}}]$

Pg 1309 Pg 1310 Pg 1311 Pg 1312 Pg 1313 Pg 1314 Pg 1315 Pg 1316 Pg 1317 Pg 1318

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