1. -2 and -3
2. 0 and 1
3. 1 and 2
4. 2 and 3
1 and 2
1. 79
2. 89
3. 99
4. 109
99
1. x4-16x2-9x-64=0
2. x4+16x2-9x-64=0
3. x4+16x2-9x+64=0
4. x4-16x2+9x-64=0
x4+16x2-9x+64=0
1. ab+3c
2. ab-3c
3. 3c-ab
4. 3c+ab
3c-ab
1. 24
2. 36
3. -36
4. 48
48
1. Only I is true
2. Only II is true
3. both I and II are true
4. Neither I nor II true
Only II is true
1. 4
2. 5/2
3. -5/2
4. 3
-5/2
1. x4+4x2+1=0
2. x4+4x2-1=0
3. x4-4x2+1=0
4. x4-2x2+1=0
x4-4x2+1=0
1. 2y3+y2+1=0
2. 2y3-y2+1=0
3. y3+y2+1=0
4. 2y3+y2-1=0
2y3+y2-1=0
1. 0
2. 1
3. -1
4. 2
1