LimitsHard

Question


For a certain value of c,[(x5 + 4x2 + 2)c -x] is finte & non zero. The value of c  and the value of the limit is -

Options

A.1/5, 7/5
B.0, 1
C.1, 7/5
D.none

Solution

[(x5 + 7x4 + 2)c - x]

for limit to exist c = 1/5
Now to find limit put c = 1/5
(by expansion)

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