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[" 11.If the tangent to the curve "2y^(3...

[" 11.If the tangent to the curve "2y^(3)=ax^(2)+x^(3)" at a point "(a,a)" cuts off intercepts "p" and "q" on the "],[" coordinates axes,where "p^(2)+q^(2)=61" ,then a equals- "],[[" (A) "30," (B) "-30," (C) "0," (D) "+-30]]

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