JEE Main 2017 — Binomial Theorem Question with Solution
From: JEE Main 2017 (Online) 9th April Morning Slot
Question
The coefficient of x−5 in the binomial expansion of
where x 0, 1, is :
where x 0, 1, is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A1
Step-by-step explanation
=
=
=
=
=
[Note:
For the th term with power m of x is
]
Here , and m = -5
then = = 10
T11 is the term with x-5.
T11 = = 1
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