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AlgebraQuestion and Answers: Page 252

Question Number 97968 Answers: 1 Comments: 1

Question Number 99300 Answers: 1 Comments: 0

Find Σ_(n=1) ^∞ (1/((3n)!))=?

$Find \underset{n = 1}{\sum^{\infty}} \frac{1}{(3 n)!} = ?$

Question Number 97936 Answers: 1 Comments: 1

Find the value of (√(45−(√(2000)) )) + (√(45+(√(2000))))

$Find the value of$ $\sqrt{45 - \sqrt{2000}} + \sqrt{45 + \sqrt{2000}}$

Question Number 97920 Answers: 0 Comments: 4

Question Number 97919 Answers: 1 Comments: 2

Question Number 97818 Answers: 1 Comments: 0

if y^2 = ax^2 + bx + c Show that: y (d^3 y/dx^3 ) + 3 (dy/dx) (d^2 y/dx^2 ) = 0

$if y^{2} = {ax}^{2} + bx + c$ $Show that : y \frac{d^{3} y}{{dx}^{3}} + 3 \frac{dy}{dx} \frac{d^{2} y}{{dx}^{2}} = 0$

Question Number 97808 Answers: 0 Comments: 1

Question Number 97694 Answers: 1 Comments: 7

Question Number 97675 Answers: 1 Comments: 0

Question Number 97637 Answers: 0 Comments: 1

Given p,q∈R_+ ^∗ −{−1}/(1/p)+(1/q)=1 show that; ∀a,b ∈R ab≤(a^p /p)+(b^q /q)

$Given p, q \in R_{+}^{*} - {- 1} / \frac{1}{p} + \frac{1}{q} = 1 show that;$ $\forall a, b \in R ab ⩽ \frac{a^{p}}{p} + \frac{b^{q}}{q}$

Question Number 97564 Answers: 1 Comments: 0

Question Number 97512 Answers: 0 Comments: 2

The value of k for which the quadratic equation (1−2k)x^2 −6kx−1=0 and kx^2 −x+1=0 have atleast one roots in common are ___

$The value of k for which the$ $quadratic equation (1 - 2 k) x^{2} - 6 kx - 1 = 0$ $and {kx}^{2} - x + 1 = 0 have atleast$ $one roots in common are___$

Question Number 97501 Answers: 0 Comments: 2

The natural number n for which the expression y = 5log^2 _3 (n) − log _3 (n^(12) )+9 , has the minimum value is ___

$The natural number n for which$ $the expression y = {5 \log}^{2}_{3} (n) -$ $\log_{3} (n^{12}) + 9, has the minimum$ $value is___$

Question Number 97496 Answers: 1 Comments: 0

if f(((2x+5)/(x−3)))=3x+5 find f(x) please solve it

$i f f (\frac{2 x + 5}{x - 3}) = 3 x + 5 f i n d f (x)$ $p l e a s e s o l v e i t$

Question Number 97485 Answers: 1 Comments: 3

Question Number 97428 Answers: 2 Comments: 5

Question Number 97386 Answers: 0 Comments: 2

Question Number 97306 Answers: 0 Comments: 2

if sin14=x then cos^2 22−cos^2 8=?

$if \sin 14 = x$ $then$ $\cos^{2} 22 - \cos^{2} 8 = ?$

Question Number 97303 Answers: 0 Comments: 0

Given x_1 +x_2 +x_3 = 0 , y_1 + y_2 +y_3 = 0 and x_1 y_1 + x_2 y_2 + x_3 y_3 = 0 . The value of (x_1 ^2 /(x_1 ^2 +x_2 ^2 +x_3 ^2 )) + (y_1 ^2 /(y_1 ^2 +y_2 ^2 +y_3 ^2 )) = ?

$G iven x_{1} + x_{2} + x_{3} = 0, y_{1} + y_{2} + y_{3} = 0$ $and x_{1} y_{1} + x_{2} y_{2} + x_{3} y_{3} = 0 . The value$ $of \frac{x_{1}^{2}}{x_{1}^{2} + x_{2}^{2} + x_{3}^{2}} + \frac{y_{1}^{2}}{y_{1}^{2} + y_{2}^{2} + y_{3}^{2}} = ?$

Question Number 97272 Answers: 0 Comments: 0

Question Number 97227 Answers: 2 Comments: 1

Question Number 97206 Answers: 2 Comments: 0

Question Number 97136 Answers: 0 Comments: 3

Evaluate (3/(1! + 2! + 3!)) + (4/(2! + 3! + 4!)) + ... + ((2001)/(1999! + 2000! + 2001!))

$Evaluate$ $\frac{3}{1! + 2! + 3!} + \frac{4}{2! + 3! + 4!} + . . . + \frac{2001}{1999! + 2000! + 2001!}$

Question Number 97135 Answers: 0 Comments: 1

prove that: sin(16x) cot(x)=1+2cos(2x)+2cos(4x)+2cos(6x)+...+2cos(16x)

$p r o v e t h a t :$ $s i n (16 x) c o t (x) = 1 + 2 c o s (2 x) + 2 c o s (4 x) + 2 c o s (6 x) + . . . + 2 c o s (16 x)$

Question Number 97134 Answers: 0 Comments: 0

find the laplace transform of t^(3/2) erf(t)

$f i n d t h e l a p l a c e t r a n s f o r m o f t^{\frac{3}{2}} e r f (t)$

Question Number 97114 Answers: 0 Comments: 0

pls find x x^x^x +ln(2x)−1=0

$p l s f i n d x$ $x^{x^{x}} + l n (2 x) - 1 = 0$

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