Hey there! We receieved your request
Stay Tuned as we are going to contact you within 1 Hour
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-5470-145
+91 7353221155
Use Coupon: CART20 and get 20% off on all online Study Material
Complete Your Registration (Step 2 of 2 )
Sit and relax as our customer representative will contact you within 1 business day
OTP to be sent to Change
(1+2x)6 (1-x)7=[1+6C1(2x)+6C2(2X)2+6C3(2X)3+6C4(2X)4+6C5(2X)5+6C6(2X)6 ][1-7C1.X+7C2.X2-7C3.X3+7C4.X4-7C5.X5+7C6.X6-7C7.X7]
Hence coefficient of x5= -7c5+7c4.6c1(2)-7c3.6c2.22+7c2.6c3.23-7c1.6c4.24+6c5.25
=-21+420-2100+3360-1680+192
=3972-3801
=171
Thanks & Regards
Rinkoo Gupta
AskIITians Faculty
Register Yourself for a FREE Demo Class by Top IITians & Medical Experts Today !