AP EAMCET · Maths · Indefinite Integration
If , then the value of
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
∫0adx4+x2=π8 ∫0adx22+x2=π8 Use, ∫dxa2+x2=1atan-1xa+c ⇒12tan-1a2=π8 ⇒tan-1a2=π4 ⇒a2=tanπ4 ⇒a2=1 ⇒a=2
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