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यदि xy+yz+zx=0, तो (1/(x^(2)-yz)+1/(y^(2...

यदि `xy+yz+zx=0`, तो `(1/(x^(2)-yz)+1/(y^(2)-zx)+1/(z^(2)-xy)) (x,y,z!= 0)` किसके बराबर है?

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