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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Find the centre and radius of the circle: (x-12)2+(y+13)2=136

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प्रश्न

Find the centre and radius of the circle:

`(x - 1/2)^2 + (y + 1/3)^2 = 1/36`

बेरीज
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उत्तर

Comparing the equation `(x - 1/2)^2 + (y + 1/3)^2 = 1/36`

with (x – h)2 + (y – k)2 = r2, we get,

h = `1/2`, k = `-1/3` and r2 = `1/36`

∴ centre is (h, k), i.e., `(1/2, -1/3)`

and radius = r = `1/6`

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पाठ 6: Circle - Exercise 6.1 [पृष्ठ १२९]

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