1. 2(aα+bβ)
2. -2(aα+bβ)
3. α2+β2
4. aα+bβ
2(aα+bβ)
1. c2/a3 (c+2b)
2. bc3/a3
3. c2/a3 (c-2b)
4. bc/a3
c2/a3 (c+2b)
1. π/2
2. π/3
3. π/4
4. π/6
π/2
1. 2 (2b2-ac)/ac
2. 4 (b2-ac)/ac
3. 4(b2-ac)/a2c2
4. 4(b2-ac)/a
2 (2b2-ac)/ac
1. 3y2-9x+10y-15=0
2. 5y2+2x-21y+40=0
3. 5y2+2x-21y+20=0
4. 5y2-2x+10y+2=0
5y2+2x-21y+20=0
1. x2-y2+8x+8y-16=0
2. x2+y2+8x+8y-16=0
3. x2+y2-2xy+8x+8y=0
4. x2+y2-2xy+8x+8y-16=0
x2+y2-2xy+8x+8y-16=0
1. A,B,C,D
2. D,C,B,A
3. B,A,C,D
4. A,C,B,D
B,A,C,D
1. A > C > D >B
2. A < D < C < B
3. A > C > D > B
4. A > D > C > B
A < D < C < B
1. p =4, q=7
2. p=4, q=-3
3. p=-4, q=-7
4. p=-4, q=7
p=-4, q=7
1. -3
2. -5
3. 5
4. 3
5