Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 1437

Question Number 62067 Answers: 2 Comments: 3

lim_(x → −1) ((x^3 + 2x^2 − 1)/((x + 1)^2 )) = ?

$\lim_{x \to - 1} \frac{x^{3} + 2 x^{2} - 1}{{(x + 1)}^{2}} = ?$

Question Number 62057 Answers: 1 Comments: 2

2^(−2)

$2^{- 2}$

Question Number 62056 Answers: 0 Comments: 0

1) calculate I =∫ln(1+ix^2 )dx and J = ∫ln(1−ix^2 )dx 2) calculate A =∫ ln(1+x^4 )dx .

$1) c a l c u l a t e I = \int l n (1 + {i x}^{2}) d x a n d J = \int l n (1 - {i x}^{2}) d x$ $2) c a l c u l a t e A = \int l n (1 + x^{4}) d x .$

Question Number 62055 Answers: 0 Comments: 0

$8+$3

$$ 8 + $ 3$

Question Number 62054 Answers: 0 Comments: 1

484×27

$484 \times 27$

Question Number 62053 Answers: 0 Comments: 1

m5=25

$m 5 = 25$

Question Number 62052 Answers: 0 Comments: 1

3(1/4)−(3/4)

$3 \frac{1}{4} - \frac{3}{4}$

Question Number 62051 Answers: 0 Comments: 1

(7^5 /7^3 )

$\frac{7^{5}}{7^{3}}$

Question Number 62050 Answers: 0 Comments: 1

[3×5+3]+[3+(3×2)]

$[3 \times 5 + 3] + [3 + (3 \times 2)]$

Question Number 62049 Answers: 0 Comments: 1

(1/4)+(1/5)

$\frac{1}{4} + \frac{1}{5}$

Question Number 62048 Answers: 0 Comments: 1

((1/2))^3

${(\frac{1}{2})}^{3}$

Question Number 62047 Answers: 0 Comments: 1

(4y)^2

${(4 y)}^{2}$

Question Number 62045 Answers: 1 Comments: 0

help (x+1)^(1/2) +(x^2 −1)^(1/3) =4 find x

$help$ ${(x + 1)}^{1 / 2} + {(x^{2} - 1)}^{1 / 3} = 4$ $find x$

Question Number 62041 Answers: 0 Comments: 2

Question Number 62037 Answers: 1 Comments: 0

3no_2 +h_2 o⇒2hno_3 +no

$3 {n o}_{2} + h_{2} o \Rightarrow 2 {h n o}_{3} + n o$

Question Number 62036 Answers: 0 Comments: 3

Correct me if I am wrong. Σ_((√(−1))=1) ^3 x_(√(−1)) +y_(√(−1)) ∴(i=(√(−1)))

$Correct me if I am wrong .$ $\underset{\sqrt{- 1} = 1}{\sum^{3}} x_{\sqrt{- 1}} + y_{\sqrt{- 1}}$ $∴ (i = \sqrt{- 1})$

Question Number 62035 Answers: 0 Comments: 0

study the sequence U_(n+1) =(√(U_n +(1/(n+1)))) with U_0 =1 .

$s t u d y t h e s e q u e n c e U_{n + 1} = \sqrt{U_{n} + \frac{1}{n + 1}} w i t h U_{0} = 1 .$

Question Number 62034 Answers: 0 Comments: 0

calculate ∫_0 ^1 (x^3 /(2e^(−x) −x^2 +2x−2)) dx

$c a l c u l a t e \int_{0}^{1} \frac{x^{3}}{2 e^{- x} - x^{2} + 2 x - 2} d x$

Question Number 62024 Answers: 0 Comments: 0

Question Number 62023 Answers: 3 Comments: 3

Question Number 62022 Answers: 1 Comments: 0

Question Number 62019 Answers: 0 Comments: 1

Question Number 62016 Answers: 0 Comments: 1

the 2 and 3 term of GP is 24 and 12(x+1).If the sum of the first 3 terms is 76.Find the value of x

$t h e 2 a n d 3 t e r m o f G P i s 24$ $a n d 12 (x + 1) . I f t h e s u m o f t h e$ $f i r s t 3 t e r m s i s 76 . F i n d t h e v a l u e$ $o f x$

Question Number 62014 Answers: 1 Comments: 0

Question Number 62010 Answers: 0 Comments: 0

if x^2 +y^2 +z^2 −2xyz=1 prove that (dx/(√(1−x^2 ))) + (dy/(√(1−y^2 ))) + (dz/(√(1−z^2 ))) = 0

$i f$ $x^{2} + y^{2} + z^{2} - 2 x y z = 1$ $p r o v e t h a t$ $\frac{d x}{\sqrt{1 - x^{2}}} + \frac{d y}{\sqrt{1 - y^{2}}} + \frac{d z}{\sqrt{1 - z^{2}}} = 0$

Question Number 62003 Answers: 0 Comments: 0

let ξ(x) =Σ_(n=1) ^∞ (1/n^x ) with x>1 prove that ξ(x) =Π_(p prime) (1/(1−p^(−x) ))

$l e t ξ (x) = \sum_{n = 1}^{\infty} \frac{1}{n^{x}} w i t h x > 1 p r o v e t h a t ξ (x) = \prod_{p p r i m e} \frac{1}{1 - p^{- x}}$

Pg 1432 Pg 1433 Pg 1434 Pg 1435 Pg 1436 Pg 1437 Pg 1438 Pg 1439 Pg 1440 Pg 1441

Contact: info@tinkutara.com