Published by:
CGP EDU Academic Team
Published on: August 12, 2026
In the expansion of 
a term containing the power x 13 :
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(b, c, d)
T r+1 = 30 C r (x 2/3 ) 30 –r (–x –1/2 ) r
= 30 C r 
(–1) r
⇒ 20 – 
– 
= 13
⇒ 
= 7
⇒ r = 6
the coefficient of x 13 will be 30 C 6 = 593775 which is divisible 29, 63 and 65
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