1. 4
2. 5
3. 6
4. 8
8
1. 1/e
2. e/2
3. e
4. 2e
1/e
1. cuts the x-axis
2. touches the x-axis and lies below it lies entirely above the x-axis
3. lies entirely above the axis
4. touches the x-axis and lies above it
touches the x-axis and lies above it
1. p2 /(p2+q2)
2. p2 /(p+q)2
3. 1- p /(1-q2)
4. p2 /p2+(1-q)2
p<sup>2</sup> /p<sup>2</sup>+(1-q)<sup>2</sup>
1. -2
2. -1
3. 1
4. 2
-2
1. [1/3 , 3]
2. [1/5 , 5]
3. [1/6 , 6]
4. [1/7 , 7]
[1/7 , 7]
1. A(-α, β)
2. A(-α, -β)
3. A(α, -β)
4. A(α, β)
A(-α, -β)
1.
2. (2, 1)
3.
4.
1. A-1
2. –A-1
3. I
4. -I
–A-1
1. 0
2. -1
3. 1
4. 2
1