1. (6,1)
2. (3,1)
3. (4,1)
4. (4,-1)
(3,1)
1. Rational and equal
2. Rational and Not equal
3. Irrational
4. Imaginary
Irrational
1. 4x-1=0
2. 6x+1=0
3. 4x+1=0
4. 2x+1=0
4x+1=0
1. 0, 3
2. -1, 27
3. 0,-2
4. 1, -27
1, -27
1. x-9=0
2. y-9=0
3. y+9=0
4. x+9=0
x-9=0
1. b2 (b2-ac)/a2c2
2. 0
3. 3abc- b3/ a3
4. c(a-b)/ a2
b2 (b2-ac)/a2c2
1. x+2y-7=0
2. x+2y-9=0
3. x+2y-4=0
4. x+2y-6=0
x+2y-4=0
1. -2
2. -1
3. 1
4. 2
2
1. l1=l2≠l3
2. l1≠l2≠l3
3. l1=l2=l3
4. l1=2l2=3l3
l1=l2=l3
1. -1/5
2. 1/5
3. 34/5
4. -34/5
1/5