1. 0
2. 5
3. 9
4. 10
5
1. (-3,5,11)/155
2. (-3,5,11)/√155
3. (3,5,11)/√155
4. (3,-5,11)/√155
(-3,5,11)/√155
1. 2/3
2. 1
3. 4/3
4. 1/3
2/3
1. 2/3
2. √(2/3)
3. 5.4.3/73
4. (3/4)4
√(2/3)
1. 2
2. 4
3. 5
4. 6
5
1. circle of radius 1
2. an ellipse with focii at 1 & -i
3. a straight line through the origin
4. a circle on the line joining 1 and i as diameter
a straight line through the origin
1. x2+y2-2x-2y+1=0
2. x2+y2+2x+2y+1=0
3. x2+y2-2x-2y-1=0
4. x2+y2+2x-2y-1=0
x2+y2-2x-2y+1=0
1. 3,-2
2. -3,2
3. -6,-1
4. 6,-1
6,-1
1. a circle
2. a parabola
3. an ellipse
4. a hyperbola
a parabola
1. e√x-4√x e√x+C
2. 2√xe√x-4√xe√x+C
3. 2x√xe√x-4√xe√x+4√xe√x+C
4. none of these
2x√xe√x-4√xe√x+4√xe√x+C