1.
2.
3.
4. none of these
1. a = b
2. a = c
3. c = a+b
4. a = b = c
a = c
1.
2.
3.
4. none of these
1. α+β+γ=0
2. α+β+γ=1
3. α+β = γ
4. α2+β2+γ2=1
α+β+γ=1
1. 1
2. -3
3. -2
4. 2
-2
1. f and h are functions
2. f is a function and h is not a function
3. f and h are not functions
4. none of these
f is a function and h is not a function
1. 2n+1
2. 2n
3. 2n-1
4. 2n-1-1
2<sup>n</sup>-1
1. 6
2. 2
3. 3
4. 5
3
1. Bijection
2. injection
3. surjection
4. none of these
none of these