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यदि f : R to R, जहाँ f ( x ) = {{:( ...

यदि ` f : R to R`, जहाँ `f ( x ) = {{:( 2 cos x",",, x le - pi//2),( a sin x+2b ",", ,-pi//2 lt x lt pi//2),(1 + cos ^(2) x",",, x ge pi//2):}` R पर सतत फलन है तब ` (a, b ) ` बराबर होगा -

A

` (( 1 ) /(2), (1)/(2)) `

B

` ( 0, - 1) `

C

` ( 1, 0 ) `

D

`(0, 2 ) `

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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