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  3. If the parabola y^2=4x and x^2=32y intersect at (16,8) at an angle theta , then theta equals
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If the parabola y^2=4x and x^2=32y intersect at (16,8) at an angle theta , then theta equals

Answers (1)
D Deependra Verma

Solution:    

                y=2sqrtx

         herefore    fracmathrmd ymathrmd x=frac1sqrtxRightarrow m_1=(fracmathrmd ymathrmd x)_(16,8)=1

                      y=fracx^232

        Rightarrow        fracmathrmd ymathrmd x=frac16x Rightarrow m_2 =(fracmathrmd ymathrmd x)_(16,8)=1

                   heta = an^-1[fracfrac14-11+frac14]= an^-1(frac35).

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