$P$ is a point on the segment joining the feet of two vertical poles of heights $a$ and $b$. The angles of elevation of the tops of the poles from P are $45^{\circ}$ each. Then the square of the distance between the tops of the poles is : - Clay6.com, a Free resource for your JEE, AIPMT and Board Exam preparation

$P$ is a point on the segment joining the feet of two vertical poles of heights $a$ and $b$. The angles of elevation of the tops of the poles from P are $45^{\circ}$ each. Then the square of the distance between the tops of the poles is :