Find the equations of tangents to the pa...

Find the equations of tangents to the parabola `y^(2)=16x` which are parallel and perpendicular respectively to the line 2x-y+5 =0 also find the coordinates of their point of contact.

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The correct Answer is:

2x - y + 2 = 0, (1, 4), x+2y+ 16=0, (16, -16)

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