In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
None of these
Tenth term of the expansion (2x - y)71 is
-220 x2 y9
220 x2 y9
220 x2 y10
-220 x3 y9
The value of (1.002)12 upto fourth place of decimal is
1.0242
1.0245
1.0004
1.0254
The expansion of by binomial theorem will be valid if.
x < 1
|x| < 1
-2/√3 < x < 2/√3
The value of the expression x5 + 10 x4a + 40 x3 a2 + 80 x2a3 + 80 x a4 + 32 a5 is
(x + a)5
(3n + a)5
(x + 2a)5
(x + 2a)3
If the coefficient of 7th and 13th term in the expansion of (1 + x ) n are equal , then n is equal to.
10
15
18
20
6th term in expansion of is
If the 4th term in the expansion of is independent of x , then n is equal to
5
6
9
The sum of the coefficient in the expansion of (1+x - 3x2)2163 will be
0
1
-1
22163
If (1 + ax)n = 1 + 8x + 24 x2 + ........ then the value of a and n is
2,4
2,3
3,6
1,2
