CBSE Class 11-science Answered
<div>If the tangent at the point P(x1, y1) to the parabola y²=4ax meets the parabola y² = 4a(x+b) at Q and R, then the midpoint of QR is ?</div>
Asked by Malavika Umesh | 20 May, 2015, 05:49: PM

Answered by Vimala Ramamurthy | 21 May, 2015, 10:22: AM
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