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Lim x→1 √(1-cos2 (x-1)) / (x-1) : (A) exists and it equals √2 . (B) exists and it equals -√2 . (C) does not exist because x – 1 --> 0 . (D) does not exist because left hand limit is not equal to right hand limit Could you please provide complete solution.

Lim x→1 √(1-cos2 (x-1)) / (x-1) :
(A) exists and it equals √2 .
(B) exists and it equals -√2 .
(C) does not exist because x – 1 --> 0 .
(D) does not exist because left hand limit is not equal to right hand limit 
 
Could you please provide complete solution.

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Grade:12

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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