X-9
Evaluate: lim
X-3
(A) O
(B) 3
(C) 6
(D) 9
Answers
Answered by
1
Answer:
Given: lim
x→a
(
x−9
x
9
−a
9
)
x
=lim
x→3
(6+x)
To find: All possible values of a
Sol: lim
x→a
(
x−9
x
9
−a
9
)
x
=lim
x→3
(6+x)
For limit to exist, it will have to have some uncertainity
⟹lim
x→a
(
x−9
x
9
−a
9
)=
a−9
a
9
−a
9
Possible if a=9
Hence a=9
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