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Question Number 205053 Answers: 0 Comments: 1

Question Number 205045 Answers: 0 Comments: 4

$\underset{⏟}{\underset{―}{}}$

Question Number 205032 Answers: 3 Comments: 1

Question Number 205024 Answers: 0 Comments: 0

Question Number 205021 Answers: 2 Comments: 0

x^2 + 5x +6 = 0 & x^2 + kx + 1 = 0 have a common root then k = ?

$x^{2} + 5 x + 6 = 0 & x^{2} + k x + 1 = 0 h a v e a$ $c o m m o n r o o t then k = ?$

Question Number 205018 Answers: 1 Comments: 2

For what value of ′k′ can be expression x^3 + kx^2 −7x +6 be resolved into three linear factors? (a) 0 (b) 1 (c) 2 (d) 3

$For what value of^{'} k^{'} can be expression x^{3} + {k x}^{2} - 7 x + 6$ $be resolved into three linear factors ?$ $(a) 0 (b) 1 (c) 2 (d) 3$

Question Number 205013 Answers: 2 Comments: 0

if y=(x)^(1/7) prove that y^′ =(1/(7 (x^6 )^(1/7) ))

$i f y = \sqrt[7]{x} p r o v e t h a t$ $y^{^{'}} = \frac{1}{7 \sqrt[7]{x^{6}}}$

Question Number 205001 Answers: 2 Comments: 0

Question Number 204999 Answers: 2 Comments: 0

Solve for x∈C x^3 +(4−3i)x^2 −(51+49i)x−442+170i=0

$Solve for x \in C$ $x^{3} + (4 - 3 i) x^{2} - (51 + 49 i) x - 442 + 170 i = 0$

Question Number 204994 Answers: 2 Comments: 0

Question Number 204991 Answers: 2 Comments: 1

Question Number 204992 Answers: 1 Comments: 0

Is there any way to integrate: ∫ (1/( (√(ln(x))))) dx without hitting the Gauss error function or e^t^2 and e^(−t^2 ) ?

$Is there any way to integrate :$ $\int \frac{1}{\sqrt{\ln (x)}} d x$ $without hitting the Gauss error function$ $or e^{t^{2}} and e^{- t^{2}} ?$

Question Number 204985 Answers: 1 Comments: 0

Q=∫_0 ^1 (((1−x^3 )(1−x^(33) )(1−x^(333) ))/(lnx))dx

$Q = \int_{0}^{1} \frac{(1 - x^{3}) (1 - x^{33}) (1 - x^{333})}{l n x} d x$

Question Number 204979 Answers: 4 Comments: 0

factorizar x^4 + 1

$f a c t o r i z a r$ $x^{4} + 1$

Question Number 204978 Answers: 1 Comments: 0

Question Number 204970 Answers: 1 Comments: 1

Question Number 204961 Answers: 2 Comments: 0

∫ (1/(1+cot 3x)) dx =

$\int \frac{1}{1 + \cot 3 x} d x =$

Question Number 204957 Answers: 2 Comments: 0

2×2 matrix A and B satisfy that AB+A=BA+B. Prove that (A−B)^2 =O.

$2 \times 2 matrix A and B satisfy that$ $AB + A = BA + B .$ $Prove that {(A - B)}^{2} = O .$

Question Number 204948 Answers: 0 Comments: 4

prove a^2 +b^2 +c^2 +((abc))^(1/3) ≥4 if ab+bc+ac=3

$p r o v e$ $a^{2} + b^{2} + c^{2} + \sqrt[3]{a b c} ⩾ 4$ $i f$ $a b + b c + a c = 3$

Question Number 204947 Answers: 1 Comments: 0

f′(x)+4x−6x.e^(x^2 −f(x)−1) =0 f(x)=¿

$f^{'} (x) + 4 x - 6 x . e^{x^{2} - f (x) - 1} = 0$ $f (x) = ¿$

Question Number 204944 Answers: 1 Comments: 1

Question Number 204941 Answers: 0 Comments: 0

Question Number 205204 Answers: 1 Comments: 0

Question Number 204929 Answers: 1 Comments: 0

lim_(n→∞) Π_(r=1) ^n ((n^2 −r)/(n^2 +r)) = ?

$\lim_{n \to \infty} \underset{r = 1}{\prod^{n}} \frac{n^{2} - r}{n^{2} + r} = ?$

Question Number 204926 Answers: 0 Comments: 2

Prove that in any △ABC (m_a + m_b + m_c )^2 ≥ 9(√3) F

$Prove that in any △ ABC$ ${(m_{a} + m_{b} + m_{c})}^{2} ⩾ 9 \sqrt{3} F$

Question Number 204921 Answers: 1 Comments: 0

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