First slide

Equation of line in Straight lines

Question

A and B are two fixed points such that AB = 3 units. P is a point such that $\frac{P A}{P B} = 2$ then the maximum area of triangle PAB (in sq.units)

Moderate

Solution

Locus of P is a circle with radius 2 units
Maximum are $= \frac{1}{2} \times 3 \times 2$

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