Question

5
: Find the equation of the circle whose centre is(-1, 2)and which passes through (5.6).​

Answer 1

Answer:

Hey mate❤

Given center of circle = (-1,-2)

diameter of circle = 2(radius) =25

∴ 2r = 25

r=

2

25

circle equation for e with

center (h,k) and radius r

(x−h)

2

+(y−k)

2

=r

2

Here (h,k) = (-1,-2) r=

2

25

(x−(−1))

2

+(y−(−2))

2

=(

2

25

)

2

x

2

+2x+1+y

2

+4+4y=

4

625

x

2

+y

2

+2x+4y+5−

4

625

=0

x

2

+y

2

+2x+4y−

4

605

=0

4x

2

+4y

2

+8x+16y−605=0

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