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Question Number 65981 Answers: 1 Comments: 0

Question Number 65980 Answers: 3 Comments: 1

Question Number 65945 Answers: 0 Comments: 2

pls i need solution plssss...asap n lim ∈ ((r^3 /(r^4 +n^4 ))) n→∞ r=1 please try and understand the way i typed it

$p l s i n e e d s o l u t i o n p l s s s s . . . a s a p$ $n$ $l i m \in (\frac{r^{3}}{r^{4} + n^{4}})$ $n \to \infty r = 1$ $p l e a s e t r y a n d u n d e r s t a n d t h e w a y i t y p e d i t$

Question Number 65959 Answers: 0 Comments: 0

x^5 +ax^3 +bx^2 +cx+d=0 (x^2 +px+q)(x^3 +rx^2 +sx+t)=0 then elimating r,s,t pq(p^2 +a)+d=q(b+2pq) q^2 (p^2 +a)+dp=q(c+q^2 ) please try bringing into single variable sir...

$x^{5} + {a x}^{3} + {b x}^{2} + c x + d = 0$ $(x^{2} + p x + q) (x^{3} + {r x}^{2} + s x + t) = 0$ $t h e n e l i m a t i n g r, s, t$ $p q (p^{2} + a) + d = q (b + 2 p q)$ $q^{2} (p^{2} + a) + d p = q (c + q^{2})$ $p l e a s e t r y b r i n g i n g i n t o s i n g l e$ $v a r i a b l e s i r . . .$

Question Number 65934 Answers: 3 Comments: 0

log_7 2=a log_2 3=b log_6 98=...

$\log_{7} 2 = a$ $\log_{2} 3 = b$ $\log_{6} 98 = . . .$

Question Number 65931 Answers: 1 Comments: 0

(((log_6 36)^2 −(log_3 4)^2 )/(log_3 ((√(12)))))=...

$\frac{{(\log_{6} 36)}^{2} - {(\log_{3} 4)}^{2}}{\log_{3} (\sqrt{12})} = . . .$

Question Number 65930 Answers: 1 Comments: 0

If t=((x^2 −3)/(3x+7)) then log(1−∣t∣) can to find for a. 2<x<6 b.− 2<x<5 c.− 2≤x≤6 d. x≤−2 or x>6 e. x<−1 or x>3

$If t = \frac{x^{2} - 3}{3 x + 7} then$ $\log (1 - ∣ t ∣) can to find for$ $a . 2 < x < 6$ $b . - 2 < x < 5$ $c . - 2 ⩽ x ⩽ 6$ $d . x ⩽ - 2 or x > 6$ $e . x < - 1 o r x > 3$

Question Number 65929 Answers: 1 Comments: 2

Question Number 65926 Answers: 0 Comments: 0

find ∫_0 ^∞ e^(−x) ln(1+x^2 )dx

$f i n d \int_{0}^{\infty} e^{- x} l n (1 + x^{2}) d x$

Question Number 65925 Answers: 0 Comments: 3

calculate ∫_0 ^1 e^(−2t) ln(1−t)dt

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

Question Number 65924 Answers: 0 Comments: 1

calculate ∫_(−(π/6)) ^(π/6) (x/(sinx))dx

$c a l c u l a t e \int_{- \frac{π}{6}}^{\frac{π}{6}} \frac{x}{s i n x} d x$

Question Number 65923 Answers: 0 Comments: 0

calculate ∫_0 ^∞ ((1−cos(2x^2 ))/x^2 )dx

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

Question Number 65922 Answers: 0 Comments: 1

calculate ∫_0 ^∞ ((sin(3x^2 ))/x^2 )dx

$c a l c u l a t e \int_{0}^{\infty} \frac{s i n (3 x^{2})}{x^{2}} d x$

Question Number 65920 Answers: 1 Comments: 1

fnd ∫ (dx/(x+2−(√(3+x^2 ))))

$f n d \int \frac{d x}{x + 2 - \sqrt{3 + x^{2}}}$

Question Number 65919 Answers: 1 Comments: 1

find ∫ (dx/(x(√(x+1)) +(x+1)(√x))) 2) calculate ∫_1 ^(√3) (dx/(x(√(x+1)) +(x+1)(√x)))

$f i n d \int \frac{d x}{x \sqrt{x + 1} + (x + 1) \sqrt{x}}$ $2) c a l c u l a t e \int_{1}^{\sqrt{3}} \frac{d x}{x \sqrt{x + 1} + (x + 1) \sqrt{x}}$

Question Number 65918 Answers: 1 Comments: 1

simplify A_n =(2+i(√5))^n +(2−i(√5))^n and B_n =(2+i(√5))^n −(2−i(√5))^n

$s i m p l i f y A_{n} = {(2 + i \sqrt{5})}^{n} + {(2 - i \sqrt{5})}^{n}$ $a n d B_{n} = {(2 + i \sqrt{5})}^{n} - {(2 - i \sqrt{5})}^{n}$

Question Number 65917 Answers: 0 Comments: 0

prove that 1 +(1/2) +(1/3) +...+(1/n) =(p_n /(2q_n )) with p_n odd

$p r o v e t h a t 1 + \frac{1}{2} + \frac{1}{3} + . . . + \frac{1}{n} = \frac{p_{n}}{2 q_{n}} w i t h p_{n} o d d$

Question Number 65916 Answers: 0 Comments: 0

solve inside N and Z the equation (1/x)+(1/y)=(1/(15))

$s o l v e i n s i d e N a n d Z t h e e q u a t i o n \frac{1}{x} + \frac{1}{y} = \frac{1}{15}$

Question Number 65915 Answers: 0 Comments: 0

let p prime not 0 and n integr /1≤n<p prove that (((p−1)(p−2)....(p−n))/(n!)) −(−1)^n is integr and divided by p

$l e t p p r i m e n o t 0 a n d n i n t e g r / 1 ⩽ n < p p r o v e t h a t$ $\frac{(p - 1) (p - 2) . . . . (p - n)}{n!} - {(- 1)}^{n} i s i n t e g r a n d d i v i d e d b y p$

Question Number 65914 Answers: 0 Comments: 0

x^n +y^n =z^n make n the subject of formula please help

$x^{n} + y^{n} = z^{n}$ $m a k e n t h e s u b j e c t o f f o r m u l a$ $p l e a s e h e l p$

Question Number 65911 Answers: 0 Comments: 1

Question Number 65901 Answers: 1 Comments: 0

Question Number 65884 Answers: 0 Comments: 3

Question Number 65878 Answers: 0 Comments: 5

Calculate lim_(a−>∞) ∫_0 ^∞ (dx/(1+x^a ))

$C a l c u l a t e {l i m}_{a - > \infty} \int_{0}^{\infty} \frac{d x}{1 + x^{a}}$

Question Number 65871 Answers: 0 Comments: 0

To: sirAjfour,sir:mrW1, sir:MJS by considering my comment on: Q#14535 and sir Ajfour and mrW1 answer′s to Q#62839,I think now we can solve Q#14535 .if you have time please try it.I know there is a relation between this questions.but can′t find it. kindly try it.thanks alot sir.

$To : sirAjfour, sir : mrW 1, sir : MJS$ $by considering my comment on :$ $You can't use 'macro parameter character #' in math mode$ $You can't use 'macro parameter character #' in math mode$ $You can't use 'macro parameter character #' in math mode$ $please try it . I know there is a relation$ $between this questions . but {can}^{'} t find it .$ $kindly try it . thanks alot sir .$

Question Number 65869 Answers: 1 Comments: 1

∫((2x^2 −3x+4)/(4x^3 +5)) dx

$\int \frac{2 x^{2} - 3 x + 4}{4 x^{3} + 5} d x$

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