Question

$\large\rm{\underline{Question:-}}$ If a horizontal range of projectile be a and the maximum height attained by it is b , then prove that the velocity of projection is : $\sf{\biggl\{2g\left(b+\dfrac{a^2}{16b}\right) \biggl\}^{\frac{1}{2}}}$ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ ​

Answer 1

Refer to the attachment .

#Hope it helps !