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If f(x) = {(ax^(2)-b, ",", "when" 0 le x...

If `f(x) = {(ax^(2)-b, ",", "when" 0 le x le 1),(2, ",","when"x = 1),(x+1, ",","when"1 lt x le 2):}` is continuous at x = 1, then the most suitable values of a, b are

A

a=2, b=0

B

a=1, b=-1

C

a=4, b=2

D

All the above are correct

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The correct Answer is:
D
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