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Find the values of aa n db if f(x)={a+si...

Find the values of `aa n db` if `f(x)={a+sin^(-1)(x+b),xgeq1x ,x<1` is differentiable at `x=1.`

A

a=1,b=-1

B

a=-1,b=1

C

a=2,b=0

D

a=0,b=0

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A
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