Question

write the cube in the expanded form. 1. (3a+4b)³. 2. (5p-3q)³​

Answer 1

Answer:

$({a + b})^{3} = {a}^{3} + {b}^{3} + 3ab(a + b)$

$1. ({3a + 4b})^{3} = 27 {a}^{3} + 64 {b}^{3} + 3(3a)(4b)(3a + 4b)$