TANCET
Group Studies
Mock Tests
Notes
Library
Webinars
Join Now
Question Practice
Share
Target (sec):
00:00
Qn #655
Share
The coefficient of $x^{50}$ in the expression of ${(1 + x)^{1000} + 2x(1 + x)^{999} + 3x^2(1 + x)^{998} + ...... + 1001x^{1000}}$
A.
$${}^{1005}{{C}}_{50}$$
B.
$${}^{1005}{{C}}_{48}$$
C.
$${}^{1002}{{C}}_{50}$$
D.
$${}^{1002}{{C}}_{51}$$
Discussion
Join the Conversation
Log in to post comments and replies.
Log In
Open Discussion
❓ Question: The coefficient of $x^{50}$ in the expression of $... | TANCET Group Studies | Tancet Group Studies