1.
2.
3. α2x2+β2y2=1
4. none of these
1. 0
2. 1
3. 2
4. 3
1
1.
2.
3. x2+y2=a2+b2
4. none of these
1. √3 sq units
2. 2 sq units
3. 1 sq units
4. √3/2 sq units
√3/2 sq units
1. A.P
2. H.P
3. G.P
4. none of these
G.P
1. (1,1)
2. (1/2,1/2)
3. (1/3,1/3)
4. (1/4,1/4)
(1/2,1/2)
1. a-b
2. b-a
3. a+b
4. -a-b
b-a
1. (y2-4ax)(y12-4ax1)=(yy1-2ax-2ax1)2
2. y2-4ax=(yy1-2ax-2ax1)2
3. y2-4ax=(yy1-2ax)2
4. none of these
(y<sup>2</sup>-4ax)(y<sub>1</sub><sup>2</sup>-4ax<sub>1</sub>)=(yy<sub>1</sub>-2ax-2ax<sub>1</sub>)<sup>2</sup>
1. 2
2. 4
3. 5
4. 6
4
1. A.P
2. H.P
3. G.P
4. none of these
H.P