If f(x)={((36^x-9^x-4^x+1)/(sqrt(2)-sqrt...

If `f(x)={((36^x-9^x-4^x+1)/(sqrt(2)-sqrt(1+cosx)),x!=0),(k ,x=0))` is continuous at `x=0,` then `k` equal (A) `16sqrt(2)log2log3` (B) `16sqrt(2)ln6` (C) `16sqrt(2ln2In3` (D) none of these

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If `f(x)={((36^x-9^x-4^x+1)/(sqrt(2)-sqrt(1+cosx)),x!=0),(k ,x=0))` is continuous at `x=0,` then `k` equal (A) `16sqrt(2)log2log3` (B) `16sqrt(2)ln6` (C) `16sqrt(2ln2In3` (D) none of these

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