Question

(2a+3b)³

write in cubes​

Answer 1

Answer:

8a3 + 27b3 + 36a2b + 54ab2

Step-by-step explanation:

(2a+3b)3 = (2a)3 + (3b)3 + 3(2a)(3b)(2a+3b)

using identity VII = 8a3 + 27b3 + 18ab(2a+3b)

= 8a3 + 27b3 + 36a2b + 54ab2