If x²+y²+z²=xy+yz+zx, then the value of :

5x2y2+7y2z2+3z2x2 is

  1. 1
  2. 2
  3. -1
  4. 0
Anurag Mishra Professor Asked on 26th October 2015 in Maths.
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1 Answer(s)

Option first is correct.

Monis Rasool Professor Answered on 28th October 2015.
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