Question

please answer it fast​

Answer 1

Answer:

answer for the given problem is given

Answer 2

Answer:

$({ \sqrt{5a} + \sqrt{6b} })^{2} \\ \\ = 5 {a}^{2} + 6 {b}^{2} + 2 \sqrt{30ab}$

2.

$(6 {x}^{2} y)( {z}^{2} - {y}^{2} ) \\ \\ = 6 {x}^{2} y {z}^{2} - 6 {x}^{2} {y}^{3} {z}^{2}$