(x+1)²+(y-11)²=100

(x-2)²+(y-1)²=81

(x+3)²+(y-2)²=4

(x-5)²+(y+1)²=64

1/2

-1

1

-1/2

11/3

11/4

-11/4

17/4

3x-4y+12=0

4x-3y-12=0

7x+3y-5=0

7x-3y+6=0

1/√3

2/3

√3/2

1/2√3

210 ͦ

120 ͦ

90 ͦ

60 ͦ

(2x+3y)/(3x+10y)

(2x-3y)/(3x+10y)

(2x+3y)/(3x-10y)

-(2x+3y)/(3x+10y)

x-2y+3=0

x+2y+3=0

2x-2y+3=0

x-6y-3=0

x²-2x+3=0

x²-2x-3=0

x²+2x-3=0

x²+2x+3=0

3

5

7

13

30 ͦ

180 ͦ

0 ͦ

90 ͦ

30 ͦ

45 ͦ

60 ͦ

120 ͦ

2840

2880

880

2480

4

3

-3

-4

p=-2 , q=1

p=2 , q=1

p= 1 , q=-1

p= 1 , q=1

1

3/5

5/3

4/5

110011

10110101

10001011

1101011

15 sq. units

10 sq. units

7 sq. units

30 sq. units

$\frac{\mathrm{\pi }}{2}$

$\frac{{\mathrm{\pi }}^2}{8}$

$\frac{{\mathrm{\pi }}^2}{4}$

$\frac{{\mathrm{\pi }}^2}{16}$

0

$\frac{\mathrm{\pi }}{2}$

$\mathrm{\pi }$

$2\mathrm{\pi }$

5

7

0

6

1

2

3

0

$\left(\begin{array}{cc}6& 0\\ 15& -3\end{array}\right)$

$\left(\begin{array}{cc}3& -1\\ 2& -5\end{array}\right)$

$\left(\begin{array}{cc}6& 0\\ 10& -3\end{array}\right)$

$\left(\begin{array}{cc}6& 0\\ 10& 3\end{array}\right)$

$\sqrt{cotx}1n(\sin x)$

$\sin x \sqrt{\tan x}$

$-2\sqrt{cotx}$

$\frac{3}{2}(\tan x) 3/2$

-2i

2i

2