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JEE Advanced Model Paper 16 with solutions for online practice

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Question : 63 of 69
 
Marks: +1, -0
Given that
y
∫
1
 sec−1 x dx = λ and for (y ≥ 1) . If
−1
∫
−y
 {sec−1 x - tan−1(√x2−1)} dx +
y
∫
1
 {sec−1 x - tan−1 (√x2−1)} dx =
π (y - a) - bλ , then a + b = ....
  • Your Answer:
Validate
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