1.

यदि ` f ( x ) = {{:((sqrt2 cos x - 1 ) /(cot x - 1 )"," x ne (pi)/(4)), ( 2alpha", "x = pi//4):}, x = (pi)/(4) ` पर सतत है , तो `alpha ` का मान होगा -A. 2B. ` (1) /(4)`C. ` - (1)/(2)`D. `sqrt2`

Answer» Correct Answer - B


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