If the slope of the tangent to a curve at a point is

MATHEMATICS · Single correct · CBSE · Mathematics · Straight Lines · Straight Lines

Problem

If the slope of the tangent to a curve at a point is −23-\dfrac{2}{3}, what is the slope of the normal at that point? (a) −32-\dfrac{3}{2} (b) 32\dfrac{3}{2} (c) 23\dfrac{2}{3} (d) −23-\dfrac{2}{3}

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