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Question Number 169342 Answers: 1 Comments: 0

Obtain the differential equation associated with the primitive y = Ae^(2x) +Be^x +C Mastermind

$O b t a i n t h e d i f f e r e n t i a l e q u a t i o n$ $a s s o c i a t e d w i t h t h e p r i m i t i v e$ $y = {A e}^{2 x} + {B e}^{x} + C$ $M a s t e r m i n d$

Question Number 169340 Answers: 0 Comments: 0

Question Number 169432 Answers: 1 Comments: 0

n(A)=7 n(A∩B)=4 3n(A−B)=n(B) n(B−A)=?

$n (A) = 7$ $n (A \cap B) = 4$ $3 n (A - B) = n (B)$ $n (B - A) = ?$

Question Number 169333 Answers: 0 Comments: 3

Show that if y=C_1 sinx + C_2 x then (1+xcotx)(d^2 y/dx^2 )−x(dy/dx)+y=0 Mastermind

$S h o w t h a t i f y = C_{1} s i n x + C_{2} x t h e n$ $(1 + x c o t x) \frac{d^{2} y}{{d x}^{2}} - x \frac{d y}{d x} + y = 0$ $M a s t e r m i n d$

Question Number 169319 Answers: 1 Comments: 2

if f(2x−1)=x^2 −3x+2, find f(2)

$if f (2 x - 1) = x^{2} - 3 x + 2, find f (2)$

Question Number 169317 Answers: 2 Comments: 3

Question Number 169315 Answers: 1 Comments: 1

lim_(x→∞) (((1+(√(x+2)))/(1−(√(x+2))))) Mastermind

${l i m}_{x \to \infty} (\frac{1 + \sqrt{x + 2}}{1 - \sqrt{x + 2}})$ $M a s t e r m i n d$

Question Number 169308 Answers: 0 Comments: 0

Question Number 169305 Answers: 4 Comments: 2

Differentiate the following wrt x 1) y=x^x 2) y=sin^(−1) (2x+1) Mastermind

$D i f f e r e n t i a t e t h e f o l l o w i n g w r t x$ $1) y = x^{x}$ $2) y = {s i n}^{- 1} (2 x + 1)$ $M a s t e r m i n d$

Question Number 169304 Answers: 1 Comments: 4

3^x =4 4^y =12 ^(faind value of (((x+1)/(2xy)))=?)

$3^{x} = 4$ $4^{y} = 12 \overset{f a i n d v a l u e o f (\frac{x + 1}{2 x y}) = ?}{}$

Question Number 169303 Answers: 1 Comments: 1

Given that: x cos y=sin(x+y), find (dy/dx) Mastermind

$G i v e n t h a t :$ $x c o s y = s i n (x + y), f i n d \frac{d y}{d x}$ $M a s t e r m i n d$

Question Number 169295 Answers: 0 Comments: 0

Prove without using Mathematical Induction that: cos^n x=(1/2^(n−1) )Σ_(k=0) ^((n−1)/2) C_k ^n cos (n−2k)x where x is any real number and n is any positive odd integer.

$Prove without using Mathematical$ $Induction that :$ $\cos^{n} x = \frac{1}{2^{n - 1}} \underset{k = 0}{\sum^{(n - 1) / 2}} C_{k}^{n} \cos (n - 2 k) x$ $where x is any real number and n is any$ $positive odd integer .$

Question Number 169294 Answers: 1 Comments: 2

Question Number 169291 Answers: 0 Comments: 6

lim_(x→1) ((x^x^.^.^x −x!)/(x!^(x!) −1)) = ??

$\lim_{x \to 1} \frac{x^{x^{.^{.^{x}}}} - x!}{x!^{x!} - 1} = ? ?$

Question Number 169287 Answers: 0 Comments: 2

solve : x^3 (d^3 y/dx^3 ) + 2x^2 (d^2 y/dx^2 ) +2y = 10(x+(1/x))

$s o l v e : x^{3} \frac{d^{3} y}{{d x}^{3}} + 2 x^{2} \frac{d^{2} y}{{d x}^{2}} + 2 y = 10 (x + \frac{1}{x})$

Question Number 169281 Answers: 0 Comments: 2

Question Number 169280 Answers: 1 Comments: 0

a^2 +b^2 −25a^2 b^2 =0 b^2 +c^2 −36b^2 c^2 =0 a^2 +c^2 −49a^2 c^2 =0 a^2 +b^2 +c^2 =?

$a^{2} + b^{2} - 25 a^{2} b^{2} = 0$ $b^{2} + c^{2} - 36 b^{2} c^{2} = 0$ $a^{2} + c^{2} - 49 a^{2} c^{2} = 0$ $a^{2} + b^{2} + c^{2} = ?$

Question Number 169273 Answers: 2 Comments: 0

lim_(x→∞) ((∫_1 ^( x) ((√(4x^2 +6x−2))−2x)dx)/(5x)) =?

$\lim_{x \to \infty} \frac{\int_{1}^{x} (\sqrt{4 x^{2} + 6 x - 2} - 2 x) d x}{5 x} = ?$

Question Number 169272 Answers: 0 Comments: 3

Question Number 169271 Answers: 1 Comments: 0

Question Number 169268 Answers: 1 Comments: 0

𝛀=∫((cos^2 (ln(tan(x/2))))/(tan((x/2))))dx=?

$Ω = \int \frac{\cos^{2} (\ln (\tan \frac{x}{2}))}{\tan (\frac{x}{2})} dx = ?$

Question Number 169260 Answers: 1 Comments: 0

Question Number 169259 Answers: 0 Comments: 1

Question Number 169251 Answers: 1 Comments: 0

calculate C=∫(dt/(1+tan^2 (t))) using x=tan(t)

$c a l c u l a t e C = \int \frac{d t}{1 + {t a n}^{2} (t)} u s i n g x = t a n (t)$

Question Number 169250 Answers: 1 Comments: 1

Calculate B=∫(1/(1+sin(x)))dx using u=tan((x/2))

$C a l c u l a t e B = \int \frac{1}{1 + s i n (x)} d x u s i n g u = t a n (\frac{x}{2})$

Question Number 169249 Answers: 0 Comments: 1

calculate A=∫(dt/(sin(t))) by using u=cos(t)

$c a l c u l a t e A = \int \frac{d t}{s i n (t)} b y u s i n g$ $u = c o s (t)$

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