Let f (x) = {{:(ax+1, if, x lt 1 ),(3, i...

Let `f (x) = {{:(ax+1, if, x lt 1 ),(3, if, x=1),( bx ^(2) +1, if, x gt1):}Iff (x)` is continuous at `x=1` then (a-b) is equal to :

A

0

B

1

C

2

D

4

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The correct Answer is:

A

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VK JAISWAL ENGLISH-CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION-EXERCISE (SUBJECTIVE TYPE PROBLEMS)

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