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  • 02-12-2017
  • Mathematics
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When x/y = 4, x2 − 12y2 =?

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zizoux07p0ac3m
zizoux07p0ac3m zizoux07p0ac3m
  • 02-12-2017
x/y = 4 , x = 4y

x^2 -12y^2 = (4y)^2 - 12y^2 = 16y^2 -12y^2 = 4y^2
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