Q.

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

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
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