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Using quadratic formula solve the following …

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Using quadratic formula solve the following quadratic equation p×px×x+(p×p-q×q)x-q×q=0
  • 1 answers

Gaurav Seth 6 years, 9 months ago

Given p2x2 + ( p2 - q2)x - q2 = 0.

⇒ p2x2 + xp2 - xq2 - q2 = 0.

⇒ xp2(x + 1)  - q2 (x + 1) = 0.

⇒ (xp2- q2)(x + 1) = 0

⇒ x = q2 / p2 or -1.

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