Eduprobe
Question:
If limx→∞(1 + ax - x²/4)2x = e3, then 'a' is equal to:
32
2
23
12
Solution:
Given Limit=elimx→∞(axx2)×2x=elimx→∞(2ax)=e2aAnd this is equal toe3On equating we get,∴2a=3Hencea=32
32
2
23
12
Given Limit=elimx→∞(axx2)×2x=elimx→∞(2ax)=e2aAnd this is equal toe3On equating we get,∴2a=3Hencea=32