sqr root (-15+8i)
sqr root (-15+8i)
1. In function y=2x2-x, if point x=1 moves to x=1.01 find Δy and dy . 2. For any value a and b show that curves x2-y2=a2 and xy=b2 are perpendicular.
lim(x→π/3){(1-2cosx)/(π-3x)}=
lim(x→π/4) tanx⋅tan(π/4-x)=
what's the name of this function?
1. y=x2 2. y=arctanx 3. y=ex 4.y=3x+2 5.y=-x4 6. y=x-sinx
How do i find x? cos2x=0
2. (A∩B)\C=(A\C)∩(B\C)
If a and b vectors are perpendicular and |a|=5 |b|=12 find |a+b| and |a-b|
|a|=3 |b|=5. find the value of β if a+βb and a-βb are perpendicular.
ANGLE BETWEEN a AND b VECTORS IS 2π⁄3. |a|=3 |b|=4 FIND (3a-2b)(a+2b)
|a|=11 |b|=23 |a-b|=30 |a+b|=?
f(1/x)=x+sqrt(1+x2) find f(x)
Write plane equation that passes A(1,-2,6) B(5,-4,-2) points and intersects Ox and Oy equally.
My answer is AUB=[-1;6[ Is it correct?