Q.

The greatest coefficient in the expansion of (1+x)40 is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

1.3.5....3920!220

b

1.3.5....3920!

c

40!20!

d

40!

answer is A.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

The greatest coefficient of (1+x)n is Cn2   n , if n is even=C402   40=C20   40=40!20!20!=(40.39.38….4.3.2.1)20!20!=(40.38.36….4.2)(39.37….3.1)20!20!=220(20.19.18….2.1)(1.3….39)20!20!=1.3….3920!220
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
whats app icon