LimitsHard
Question
If 
(1 + ax + bx2)2/x = e3, then possible values of a and b is/are :
(1 + ax + bx2)2/x = e3, then possible values of a and b is/are :Options
A.a = 3, b = 0
B.a = 3/2, b = 1/2
C.a = 3/2, b = 3/2
D.a = 3/2, b = 0
Solution
(1 + ax + bc2)2/x = e3 (1∞ form)⇒
= e3⇒
= 3⇒
2(a + bx) = 3⇒ 2a = 3
⇒ a = 3/2, b ∈ R
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