Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the expansion in powers of x of the function 
is a 0 + a 1 x + a 2 x 2 + a 3 x 3 + ......., then a n is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
(1 – ax) –1 (1 – bx) –1
= (1 + ax + (ax) 2 + .......) (1 + bx + (bx) 2 +............)
so, a n = a n + a n–1 b + a n–2 b 2 +....... +b n
= a n 
= 
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