Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
, then 5a 2 + b 2 is equal to
Text Solution
Verified by ExpertsThe correct answer is:
C
Given that
We know that 
and
Now for limit to exist, 
a 2 + b 2 + 4a 2 = 68
5a 2 + 6 2 = 68
Hence this is the correct option.
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