Answer:
f=
x2−2x+1
x3+2x2+x
Step-by-step explanation:
Let's solve for f.
fx=
(1−x)2
(1+x)2
Step 1: Multiply both sides by x^2+2x+1.
fx3+2fx2+fx=x2−2x+1
Step 2: Factor out variable f.
f(x3+2x2+x)=x2−2x+1
Step 3: Divide both sides by x^3+2x^2+x.
f(x3+2x2+x)
x3+2x2+x
=
x2−2x+1
x3+2x2+x
f=
x2−2x+1
x3+2x2+x
They cancel out so the final answer is just "b"
Answer:
43
Step-by-step explanation:
2z2+22-3
2 x 6 x 2+22-3
12 x 2+22-3
24+22-3
46-3
43
Answer:
dy/dt = 8
Step-by-step explanation:
y = 2x^3 -4x
dy/dt = 2 * 3x^2 dx/dt -4 dx/dt
dy/dt = 6x^2 dx/dt - 4 dx/dt
substitute dx/dt =4 and x=1
dy/dt = 6 * (1)^2 * 4 - 4(4)
dy/dt = 24-16
dy/dt = 8