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If x^(2)+y^(2)=t-(1)/(t)andx^(4)+y^(4)=t...

If `x^(2)+y^(2)=t-(1)/(t)andx^(4)+y^(4)=t^(2)+(1)/(t_(2)),` then `((dy)/(dx))_((1.1))` is…………

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