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Find the value of p for which the curves22 9p (9other at right angles.y) and xpy +1) cut each14] |
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Answer» x² = 9p(9-y),..(i) x²=p(y+1)..(ii) hence,. =>9p(9-y) =p(y+1) => 9(9-y)=y+1 =>81-9y=y+1 =>0=y+1-81+9y =>0=10y-80 => -10y=-80 => y=8,.....(iii) (i)=> x²=9p(9-y) =>x²=9p(9-8) =>x²=9p...(iv) =>>p=(x/3)*(x/3) |
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