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a
-1
b
loge1
c
1
d
none of these
answer is B.
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Detailed Solution
We have,limx→0 xlogesinx [0×∞ form ]=limx→0 logesinx 1/x ∞∞ form =limx→0 cotx−1/x2 [Using L' Hospital's rule] =−limx→0 x2tanx=−limx→0 xtanx×x=−(1×0)=0=loge1