Q.
If f(x)=(x+1)cotx is continuous at x=0, then f(0) is
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a
1
b
e
c
1e
d
none of these.
answer is C.
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Detailed Solution
limx→0f(x)=limx→01+x 1x.xcotx=elimx→0xcotx =elimx→0xtanx=e1=e Since f(x) is continuous at x=0, ∴f(0)=e.
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