Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 1215

Question Number 86646 Answers: 0 Comments: 2

∫_0 ^1 ((ln(1+x))/(x^2 +1))dx

$\int_{0}^{1} \frac{\ln (1 + x)}{x^{2} + 1} dx$

Question Number 86643 Answers: 0 Comments: 2

calculate ∫_0 ^∞ ((cos(2ch(x)))/(x^2 +9))dx

$c a l c u l a t e \int_{0}^{\infty} \frac{c o s (2 c h (x))}{x^{2} + 9} d x$

Question Number 86640 Answers: 1 Comments: 0

Solve the differential equations: (i).x^2 (d^2 y/dx^2 ) − x(dy/dx) + y = log x. (ii). (x+2)^2 (d^2 y/dx^2 ) − 4(x+2)(dy/dx) + 6y = x.

$Solve the differential equations :$ $(i) . x^{2} \frac{d^{2} y}{{dx}^{2}} - x \frac{dy}{dx} + y = \log x .$ $(ii) . {(x + 2)}^{2} \frac{d^{2} y}{{dx}^{2}} - 4 (x + 2) \frac{dy}{dx} + 6 y = x .$

Question Number 86638 Answers: 1 Comments: 0

I=∫((x^3 −2x^2 +7x−1)/((x−3)^3 (x−2)^2 ))dx

$I = \int \frac{x^{3} - 2 x^{2} + 7 x - 1}{{(x - 3)}^{3} {(x - 2)}^{2}} d x$

Question Number 86634 Answers: 1 Comments: 0

Question Number 86627 Answers: 1 Comments: 3

Question Number 86626 Answers: 1 Comments: 2

∫(√(x^2 +4)) dx answer quick pls

$\int \sqrt{x^{2} + 4} dx$ $answer quick pls$

Question Number 86615 Answers: 1 Comments: 2

∫(√(tan x ))dx

$\int \sqrt{t a n x} d x$

Question Number 86614 Answers: 1 Comments: 0

ABC is an isocel triangle such as AB=AC=3 and BC=4 α , β , and γ are its angles. Show that cos(((α+β)/2))=sin((γ/2)) Hi sirs...

$A B C i s a n i s o c e l t r i a n g l e s u c h a s$ $A B = A C = 3 a n d B C = 4$ $α, β, a n d γ a r e i t s a n g l e s .$ $S h o w t h a t c o s (\frac{α + β}{2}) = s i n (\frac{γ}{2})$ $H i s i r s . . .$

Question Number 86613 Answers: 0 Comments: 6

∫_0 ^(1/2) ∫_0 ^(π/2) (1/(ycos(x)+1))dxdy

$\int_{0}^{\frac{1}{2}} \int_{0}^{\frac{π}{2}} \frac{1}{y c o s (x) + 1} d x d y$

Question Number 86611 Answers: 1 Comments: 0

∫_1 ^e ((ln x)/(x+1))dx

$\int_{1}^{e} \frac{\ln x}{x + 1} dx$

Question Number 86610 Answers: 0 Comments: 4

Question Number 86603 Answers: 2 Comments: 2

lim_(x→−1) (e^x /((1+x)^n ))

$\lim_{x \to - 1} \frac{e^{x}}{{(1 + x)}^{n}}$

Question Number 86602 Answers: 0 Comments: 0

Question Number 86598 Answers: 0 Comments: 1

write out the general summation formula for the maclaurin series expansion for (1/2) (cos x + cosh x)

$write out the general summation formula for$ $the maclaurin series expansion for \frac{1}{2} (\cos x + \cosh x)$

Question Number 86592 Answers: 0 Comments: 1

prove that 2Σ_(x=1) ^∞ ((2^x (x!)^2 )/((2x)! (x)))

$p r o v e t h a t$ $2 \underset{x = 1}{\sum^{\infty}} \frac{2^{x} {(x!)}^{2}}{(2 x)! (x)}$

Question Number 86591 Answers: 0 Comments: 0

∫_(−1) ^1 ⌊ ∣x∣+(x)^(1/3) ⌋ dx

$\int_{- 1}^{1} ⌊ ∣ x ∣ + \sqrt[3]{x} ⌋ d x$

Question Number 86586 Answers: 1 Comments: 4

Question Number 86578 Answers: 0 Comments: 2

Question Number 86576 Answers: 0 Comments: 3

∫ ((ln (1+arc sin (x^2 )))/(sin (x^2 ))) dx ?

$\int \frac{\ln (1 + arc \sin (x^{2}))}{\sin (x^{2})} dx ?$

Question Number 86560 Answers: 0 Comments: 4

x = 1 + (3/4) + ((15)/(32)) + ((105)/(384)) + ... x^2 − 1 = ?

$x = 1 + \frac{3}{4} + \frac{15}{32} + \frac{105}{384} + . . .$ $x^{2} - 1 = ?$

Question Number 86558 Answers: 0 Comments: 0

For any integer n,∫_( 0) ^π e^(cos^2 x) cos^3 (2n+1)x dx=

$For any integer n, \underset{0}{\int^{π}} e^{\cos^{2} x} \cos^{3} (2 n + 1) x d x =$

Question Number 86552 Answers: 0 Comments: 3

proe that f(x)=x+[x] increase in R

$p r o e t h a t$ $f (x) = x + [x]$ $i n c r e a s e i n R$

Question Number 86550 Answers: 1 Comments: 3

show that tan^(−1) x=((ln (−x^2 +2ix+1)−ln (x^2 +1))/(2i))

$show that$ $\tan^{- 1} x = \frac{\ln (- x^{2} + 2 i x + 1) - \ln (x^{2} + 1)}{2 i}$

Question Number 86541 Answers: 0 Comments: 1

Question Number 86540 Answers: 0 Comments: 3

prove that cos ((A/2))+cos ((B/2))+cos ((C/2)) = 4 cos (((π+A)/4))cos (((π+B)/4))cos (((π−C)/4)) where A+B+C = π

$prove that$ $\cos (\frac{A}{2}) + \cos (\frac{B}{2}) + \cos (\frac{C}{2}) =$ $4 \cos (\frac{π + A}{4}) \cos (\frac{π + B}{4}) \cos (\frac{π - C}{4})$ $where A + B + C = π$

Pg 1210 Pg 1211 Pg 1212 Pg 1213 Pg 1214 Pg 1215 Pg 1216 Pg 1217 Pg 1218 Pg 1219

Contact: info@tinkutara.com