Test on indefinite Integral-2

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Question 1

The integral equals

• A
• B(x⁴ + 1)^1/4 + c
• C– (x⁴ + 1)^1/4 + c
• D

Question 2

If the integral = x + a ln |sin x – 2 cos x| + k, then a is equal to

• A–1
• B–2
• C1
• D2

Question 3

is equal to

• A
• B
• C
• D

Question 4

If, then the value of (A, B) is

• A(sinα, cosα)
• B(cosα, sinα)
• C(- sinα, cosα)
• D(- cosα, sinα)

Question 5

If , then f (x) is equal to

• A
• B
• C
• Dnone of these

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