1 |
The middle term(s) of (a+x)11 is |
6th term
6thor 7th
7th term
6thand7th
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2 |
The proposition S(n) for any n∈ N is only true if k∈ N and |
S(k +1) is true
S(1) is true and S(k+1) is true whenever S (k) is true
S(k+1) is true whenever S (k) is true
S(k) is true
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3 |
The coefficient of xn in the expansion of (1-2x)-1 is |
(-1)n2n
2n
(-1)(n+1)xr
(n+1)2n
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4 |
The proposition S(n) is true∀n∈N,S(k+1) true when ______is true |
S(1)
Both a & c
S(k)
None
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5 |
There is no integer n for which 3n is |
Even
Prime
Odd
Real
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6 |
The sum even binomial coefficient of (3+2x)5 is ______term |
16
30
8
32
|