If x 2- y 2- px -3 y -5-0 and x 2- y 2-5 x - py -7-0 cut orthogonally- then p isA- 2B- 1-2C- 1D- 3-2

The correct option is B If the circles are orthogonal,then 2g_1g_2 + 2f_1f_2 = c_1 + c_2 nbsp; ⇒ p(5/2) + p(3/2) = 5 + 7 ⇒ p = 1/2. ...

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Orthogonality of Two Circles

If x 2+ y 2+ ...

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If $x^{2} + y^{2} + p x + 3 y - 5 = 0$ and $x^{2} + y^{2} + 5 x + p y + 7 = 0$ cut orthogonally, then p is

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