Cot θ
- Cot θ
-tan θ
- sin θ
If A = {4,5,7} B = { 2,4} and C = {2,3,7} then (A-B) x(A-C) =
{(5,4) (5,5) (7,4) (7,5)}
{(5,5) (5,6) (7,5) (7,6)}
{(4,5) (5,5) (7,3) (7,7)}
None of these
Given A = { x∈ N : x≤ 4} and B = { y ∈ N: 3<y<6}then n (A×A) =
4
8
16
0
f(a2)
f(a)
f(a+1)
If f(x) = x2-5x+3, then f(1) =
3
1
-1
If f(x) = x2 - 1/x2, f(x) =
-f(1/x)
f(1/x)
-f(x)
f(x2)
The inverse function of f(x) = [1 - (x - 5)3]1/5 is
5 + (1 - x5)1/3
5 - (1 - x2)1/3
-5 + (1 - x5)1/3
None
Let X = {2,3} and Y = {1,3,5}. How many different functions are there from X into Y?
9
19
