TANCET
Group Studies
Mock Tests
Notes
Library
Webinars
Join Now
Question Practice
Share
Target (sec):
00:00
Qn #1267
Share
If (1 - x + x
2
)
n
= a + a
1
x + a
2
x
2
+ ... + a
2n
x
2n
, then a
0
+ a
2
+ a
4
+ ... + a
2n
is
A.
(3
n
+ 1)/2
B.
(3
n
- 1) / 2
C.
(1 - 3
n
)/2
D.
3
n
+ 1/2
Discussion
Join the Conversation
Log in to post comments and replies.
Log In
Open Discussion
❓ Question: If (1 - x + x2 )n = a + a1x + a2x2 + ... + a2nx2n ... | TANCET Group Studies | Tancet Group Studies