Limits and Derivatives Test

Result

Limits and Derivatives Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

The derivative of f(x) = |x| at x = 0 is

A
0

B
1

C
- 1

D
None of these
Question 2
1 / -0

If f(x) = (x – 2)² (2x – 3), then find the value of f'(1).

A
4

B
1

C
2

D
3
Question 3
1 / -0

What will be the derivative of (x sin x + cos x)(x cos x – sin x)?

A
(x²cos 2x + x sin2x)

B
(x cos x – x sin2x)

C
(x² cos 2x – x sin2x)

D
(– x² cos 2x – x sin2x)
Question 4
1 / -0

If y = (x + 1)(x + 2)(x + 3), then dy/dx is equal to

A
3x³ + 12x² + 11x

B
3x² + 12x

C
x² + 12x + 11

D
3x² + 12x + 11