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Question Number 169944 Answers: 0 Comments: 1

Question Number 169945 Answers: 1 Comments: 5

Question Number 169942 Answers: 0 Comments: 0

Question Number 170006 Answers: 0 Comments: 0

Question Number 170005 Answers: 2 Comments: 3

Question Number 170004 Answers: 0 Comments: 0

q(x,y,z)=xy+4xz+3yz determier la reduction de gauss en carre

$q (x, y, z) = x y + 4 x z + 3 y z$ $d e t e r m i e r l a r e d u c t i o n d e g a u s s e n c a r r e$

Question Number 169932 Answers: 0 Comments: 0

if x+(1/x)=cosθ find x^n +(1/x^n ) interm of θ

$i f x + \frac{1}{x} = c o s θ f i n d$ $x^{n} + \frac{1}{x^{n}} i n t e r m o f θ$

Question Number 169930 Answers: 0 Comments: 0

find f(α)=∫_0 ^1 ((arctan(αx))/(1+x^2 ))dx

$f i n d f (α) = \int_{0}^{1} \frac{a r c t a n (α x)}{1 + x^{2}} d x$

Question Number 169925 Answers: 0 Comments: 0

Question Number 169924 Answers: 0 Comments: 3

Question Number 169923 Answers: 0 Comments: 0

Σ_(d∣6) d=?

$\sum_{d ∣ 6} d = ?$

Question Number 169922 Answers: 1 Comments: 0

Let f(x)=((2x−7)/(x+1)) . Compute f^(1989) (x). note f^2 (x)= f(f(x))

$L e t f (x) = \frac{2 x - 7}{x + 1} . C o m p u t e f^{1989} (x) .$ $n o t e f^{2} (x) = f (f (x))$

Question Number 169920 Answers: 0 Comments: 0

Question Number 169918 Answers: 3 Comments: 0

A={z∈C: 2<∣z∣<4} fine log(A) where log is complex logaritmique

$A = {z \in C : 2 <∣ z ∣< 4}$ $f i n e l o g (A)$ $w h e r e l o g i s c o m p l e x l o g a r i t m i q u e$

Question Number 169916 Answers: 1 Comments: 0

Question Number 169915 Answers: 2 Comments: 0

Question Number 169913 Answers: 0 Comments: 1

solve the D.E dx+(−sin(y)+(x/y))dy=0

$s o l v e t h e D . E$ $d x + (- s i n (y) + \frac{x}{y}) d y = 0$

Question Number 169906 Answers: 0 Comments: 0

Evaluate ∫∫e^(2x+3y) dxdy over the triangle bounded by the lines x = 0, y = 0, x+y = 1.

$Evaluate \int \int e^{2 x + 3 y} d x d y over the triangle$ $bounded by the lines x = 0, y = 0, x + y = 1 .$

Question Number 170010 Answers: 1 Comments: 1

Question Number 170012 Answers: 1 Comments: 0

Question Number 169901 Answers: 0 Comments: 0

Question Number 169900 Answers: 0 Comments: 0

montrer que ∀z∈C/ ∣z∣=2, ∣(1/(z^4 −5z+1))∣≤(1/5)

$m o n t r e r q u e \forall z \in C / ∣ z ∣= 2,$ $∣ \frac{1}{z^{4} - 5 z + 1} ∣⩽ \frac{1}{5}$

Question Number 169899 Answers: 1 Comments: 2

Question Number 169897 Answers: 0 Comments: 1

Question Number 169896 Answers: 1 Comments: 0

Question Number 169892 Answers: 1 Comments: 0

(dy/dx) = 2xe^(−y) , y(1) = 0

$\frac{d y}{d x} = 2 {x e}^{- y}, y (1) = 0$

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