1.

If f(x) = {{:(ax^2 -b",", -1 lt x lt 1),((1)/(|x|)",", "elsewhere"):} is differentiable at x =1, then ............... .

Answer»

`a= (1)/(2), B= (-3)/(2)`
`a = (-1)/(2), b= (3)/(2)`
` a= - (1)/(2) , b= - (3)/(2)`
`a = (1)/(2) , b= (3)/(2)`

Answer :C


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