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If f : R rarr R is defined by f(x) ={(a^...

If `f : R rarr R` is defined by `f(x) ={(a^(2)cos^(2)+b^(2)sin^(2)x, x le 0),(e^(ax+b), x gt0):}` is continuous function, then

A

b = 2 log a

B

2b = log a

C

b = log 2a

D

`b^(2) = log a`

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The correct Answer is:
C
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