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The function f(x)={(1-2x+3-4x^(3)+…oo,|x...

The function `f(x)={(1-2x+3-4x^(3)+…oo,|x|lt1),(1,x=-1):}`

A

continuous and differentiable at x=-1

B

neither continuous nor differentiable at `x=-1`

C

continuous but not differentiable at `x=-1`

D

None of these

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The correct Answer is:
B
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