area of a circle is given by the expression pix^2+6pix+9pi.Find the radius
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Area of circle = πr²
Given Expression = πx² + 6πx + 9π
∴ πr² = πx² + 6πx + 9π
r = 3x √(3πx+π)
Given Expression = πx² + 6πx + 9π
∴ πr² = πx² + 6πx + 9π
r = 3x √(3πx+π)
renka:
thank u
could u pls explain it in detail
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