1. y= ±x±√b2-a2
2. y= ±x±√a2-b2
3. y= ±x±(a2-b2)
4. y= ±x±√a2+b2
y= ±x±√a2-b2
1.
2. 0
3. 4Rr2
4. 1/r
0
1. 6√2/3
2. 6√2/5
3. 3√2/5
4. 2√2/5
6√2/5
1. 1/24
2. 1/5
3.
4.
1. x+y-2=0
2. x+y+2=0
3. x-y-2=0
4. x+y-3=0
x+y-2=0
1. 8x+3y-4=0
2. 8x+9y+12=0
3. 9x+8y-6=0
4. 8x+9y+7=0
8x+9y+12=0
1. (2, -3)
2. (-2, 1)
3. (2, -1)
4. (2, 3)
(2, -3)
1. isosceles
2. equilateral
3. night angled
4. none
night angled
1. 0
2. 1
3. 2s
4. Δ
0
1. 2
2. 3
3. 4
4. 6
6