1. -20
2. -15
3. 3/4
4. 5
3/4
1. externally
2. internally
3. intersect
4. do not touch
externally
1. 1
2. ω
3. ω2
4. ω3
ω
1. does not exist
2. 1/2
3. 1/3
4. none of these
none of these
1. 17/4 sq units
2. 17/2 sq units
3. 17 sq units
4. none of these
none of these
1.
2.
3.
4. none of these
none of these
1. √5-3
2. 3-√5
3. -3-√5
4. 2√5+3
3-√5
1. 7x3+x-11=0
2. 7x3+x+11=0
3. 7x3-x-11=0
4. 7x3-x+11=0
7x3+x+11=0
1. x3-2x2-5x+12=0
2. x3+2x2+5x+12=0
3. x3-2x2+5x+12=0
4. x3+2x2-5x+12=0
x3+2x2+5x+12=0
1. -1/3,2/3,1
2. -2,4,6
3. -3,6,90
4. -1,2,3
-1,2,3