If , , and is a point on the -axis, then the value of is minimum…

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

If P=(1,1)P=(1,1), Q=(3,2)Q=(3,2), and RR is a point on the xx-axis, then the value of PR+PQPR+PQ is minimum at (a) (53,0)\left(\frac{5}{3},0\right) (b) (13,0)\left(\frac{1}{3},0\right) (c) (3,0)(3,0) (d) (1,0)(1,0)

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