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J= underset(0) overset( infty ) int (lo...

` J= underset(0) overset( infty ) int (log ( 1+ t^(2)))/( 1+t^(2)) dt` तथा ` K= underset(0) overset( (pi)/(2)) int log (sin t) dt ` है।
यदि ` J= alpha K =0,` हो , तो `alpha ` बराबर है। ( यहाँ log का आधार 'e ' है)

A

` 1 `

B

` 2`

C

` 3`

D

` 4`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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