Math, asked by golludevudunaidu1973, 8 months ago

prove that x^2/a^2+y^2/b^2+z^2 /c^2 =r^2

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Answered by kourmandeep063

1

Answer:

(a2 + b2 + c2)(x2 + y2 + z2) = (ax + by + cz)2 ; show that x : a = y : b ...

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