Q.

Coefficient of x17 in the polynomial P(x)=∏r=017 (x+35Cr) is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

234

b

36C17

c

235−36C17

d

0

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

P(x) is a polynomial of degree 18, and coefficient of x17 is           N=35C0+35C1+35C2+…+35C17                 (1)Using  nCr=nCn−r, we can write N as           N=35C35+35C34+…+35C18                      (2)Adding (1) and (2), we get         2N=35C0+35C1+…+35C35=235⇒ N=234
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Coefficient of x17 in the polynomial P(x)=∏r=017 (x+35Cr) is