Math, asked by singhja261, 7 months ago

1. If =
+ 1, ≤

cos , > is continuous at = , then value of
is:​

Answers

Answered by shauryakaushal97
1

Answer:

Answer

Given that, f(x)=

x

1−cosx

; x

=0

k; x=0

Now, It is given that f(x) is continuous at x=0

x→0

lim

f(x)=

x→0

lim

x

1−cosx

=k

Using L'Hospital's rule, we get

x→0

lim

sinx=k

⇒0=k

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