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Question Number 87023 Answers: 0 Comments: 1

∫ (dx/(√(x^2 −8x+15))) ?

$\int \frac{dx}{\sqrt{x^{2} - 8 x + 15}} ?$

Question Number 87021 Answers: 0 Comments: 0

∫((ln(1+asin(x^2 ))/(sin(x^2 )))dx

$\int \frac{l n (1 + a s i n (x^{2})}{s i n (x^{2})} d x$

Question Number 87014 Answers: 1 Comments: 1

calculate ∫_0 ^∞ (e^(−[2x]) /((x+1)^2 ))dx

$c a l c u l a t e \int_{0}^{\infty} \frac{e^{- [2 x]}}{{(x + 1)}^{2}} d x$

Question Number 87013 Answers: 0 Comments: 2

calculate ∫_0 ^∞ (e^(−[x]) /(x+1))dx

$c a l c u l a t e \int_{0}^{\infty} \frac{e^{- [x]}}{x + 1} d x$

Question Number 87009 Answers: 2 Comments: 0

solve 7⌊x+3⌋^2 −3⌊x⌋+6=5 mod 11

$s o l v e$ $7 ⌊ x + 3 ⌋^{2} - 3 ⌊ x ⌋ + 6 = 5 m o d 11$

Question Number 86998 Answers: 1 Comments: 0

∫((6e^x )/(e^(2x) −1)) dx

$\int \frac{6 e^{x}}{e^{2 x} - 1} d x$

Question Number 86995 Answers: 1 Comments: 0

∫_0 ^π ((a^n sin^2 (x)+b^n cos^2 (x))/(a^(2n) sin^2 (x)+b^(2n) cos^2 (x)))dx ; a>b

$\int_{0}^{π} \frac{a^{n} {s i n}^{2} (x) + b^{n} {c o s}^{2} (x)}{a^{2 n} {s i n}^{2} (x) + b^{2 n} {c o s}^{2} (x)} d x; a > b$

Question Number 86994 Answers: 0 Comments: 0

Question Number 86993 Answers: 1 Comments: 1

Question Number 86987 Answers: 0 Comments: 1

Question Number 86983 Answers: 1 Comments: 4

1) calculate ∫ (dx/((x+1)^3 (x−2)^3 )) 2) decompose the fraction F(x)=(1/((x+1)^3 (x−2)^3 ))

$1) c a l c u l a t e \int \frac{d x}{{(x + 1)}^{3} {(x - 2)}^{3}}$ $2) d e c o m p o s e t h e f r a c t i o n F (x) = \frac{1}{{(x + 1)}^{3} {(x - 2)}^{3}}$

Question Number 86966 Answers: 0 Comments: 1

Question Number 86965 Answers: 0 Comments: 0

Question Number 86963 Answers: 0 Comments: 0

calculate I =∫ cos^4 x sh^2 x dx

$c a l c u l a t e I = \int {c o s}^{4} x {s h}^{2} x d x$

Question Number 86962 Answers: 0 Comments: 0

calculste ∫_0 ^1 x^2 ln(x)ln(1−x)dx

$c a l c u l s t e \int_{0}^{1} x^{2} l n (x) l n (1 - x) d x$

Question Number 86960 Answers: 0 Comments: 1

let the mstrice A = (((1 1)),((−1 0)) ) 1)calculste A^n 2) find e^A and e^(−A) 3)find sin(A) and cis(A)

$l e t t h e m s t r i c e A = (\begin{matrix} 1 1 \\ - 1 0 \end{matrix})$ $1) c a l c u l s t e A^{n}$ $2) f i n d e^{A} a n d e^{- A}$ $3) f i n d s i n (A) a n d c i s (A)$

Question Number 86958 Answers: 0 Comments: 1

calculate Σ_(n=1) ^∞ (((−1)^n )/(n^3 (n+1)^2 ))

$c a l c u l a t e \sum_{n = 1}^{\infty} \frac{{(- 1)}^{n}}{n^{3} {(n + 1)}^{2}}$

Question Number 86957 Answers: 0 Comments: 2

find ∫ arctan(((1−u)/(1+u)))du

$f i n d \int a r c t a n (\frac{1 - u}{1 + u}) d u$

Question Number 86956 Answers: 0 Comments: 3

find ∫(1−(1/x^2 ))arctan(2x)dx

$f i n d \int (1 - \frac{1}{x^{2}}) a r c t a n (2 x) d x$

Question Number 86955 Answers: 2 Comments: 1

find ∫ ((arctan(x))/x)dx

$f i n d \int \frac{a r c t a n (x)}{x} d x$

Question Number 86948 Answers: 0 Comments: 1

((−sinα+3cosα)/(4cosα+3sinα)) tgα=−3 pls help me sir

$\frac{- s i n α + 3 c o s α}{4 c o s α + 3 s i n α}$ $t g α = - 3$ $p l s h e l p m e s i r$

Question Number 86946 Answers: 0 Comments: 2

Question Number 86937 Answers: 0 Comments: 4

Question Number 86932 Answers: 1 Comments: 0

Question Number 86924 Answers: 1 Comments: 0

Question Number 86918 Answers: 0 Comments: 2

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