`3 + 23y -8y^(2) = ? `

x ^ (2) + y ^ (2) + 1, x ^ (2) + 2y ^ (2) + 3, x ^ (2) + 3y ^ (2) + 4y ^ (2) + 2,2y ^ (2) + 6.3y ^ (2) + 8y ^ (2) + 1.2y ^ (2) + 3.3y ^ (2) +4] |

Simplify combining like terms: (3y^(2) +5y - 4) - (8y - y^(2) - 4)

Find the equation of tangent to the circle x^(2) + y^(2) + 2x -3y -8 = 0 at (2,3)

Find the power of the point P(2,3) with respect to the circle S = x^(2) +y^(2) -2x +8y -23 =0

If line 3x - y + c = 0 touches circle x^(2) + y^(2) - 2x + 8y - 23 =0 , then c =

Find the equation of the tangent to the circle x^(2) + y^(2) - 2x + 8y - 23 = 0 at the point P(3, - 10) on it.