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jeedoubts
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Homework Statement
if the real numbers x,y,z,w satisfy (x2/(n2-1))+(y2/(n2-32))+(z2/(n2-52))+(w2/(n2-72)) for n=2,4,6,8 then prove
x2+y2+z2+w2=36
Homework Equations
The Attempt at a Solution
unable to think of anything?