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Question

A tangent to the parabola y2=8x makes an angle of 45 with the straight line y = 3x + 5 Find its equation and its point of contact

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Solution

Slope of required tangent's are 3±113
m1=2,m2=12
Equation of tangent of slope m to the parabola y2=4ax is y=mx+am
tangent's y=2x1at(12,2)y=12x+4at(8,8)

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