Question 36
DifferentiationFind the derivative of y = (x7 − x5)/x4.
- A.x(x2 − 1)
- B.3x(x2 − 1)
- C.3x2 − 1
- D.7x6 − 5x4
Show the answer and explanation
Answer: C (3x2 − 1)
Explanation
Simplify first: y = x3 − x, so dy/dx = 3x2 − 1.
Find the derivative of y = (x7 − x5)/x4.
Answer: C (3x2 − 1)
Simplify first: y = x3 − x, so dy/dx = 3x2 − 1.