1 |
In binomial expansion (a+b)n, n is positive integer the sum of coefficients equals: |
none of these
|
2 |
In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals: |
none of these
|
3 |
In binomial expansion of (a+b)n, n is positive integer the sum of odd coefficients equals: |
none of these
|
4 |
|
2x
x<sup>2</sup>
1
none of these
|
5 |
The middle term in the expansion of (1+x)1/2 is: |
T<sub>2</sub>
T<sub>3</sub>
does not exist
none of these
|
6 |
|
T<sub>6</sub>
T<sub>7</sub>
T<sub>8</sub>
T<sub>5</sub>
|
7 |
The middle terms of (x+y)23 are: |
T<sub>10</sub>,T<sub>11</sub>
T<sub>11</sub>,T<sub>12</sub>
T<sub>12</sub>,T<sub>13</sub>
none of these
|
8 |
The middle term of (x-y)18 is: |
9th
10th
11th
none of these
|
9 |
The middle term in the expansion of (a+b)20 is; |
10<sup>th</sup> term
11<sup>th</sup>term
12<sup>th</sup>term
13<sup>th</sup>term
|
10 |
If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)n are: |
same
not same
additive inverse of each other
none of these
|
11 |
Number of terms in the expansion of (x+y)6 is: |
7
6
2
8
|
12 |
Number of terms in the expansion of (a+b)n is: |
n
n+1
n-1
none of these
|
13 |
If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all: |
integers n
real numbers n
positive real numbers n
positive integers n
|