Question

2a+3b=15 and ab=10 find 2a×2a×2a + 3b×3b×3b

Answer 1

Hello here is your answer by Sujeet yaduvanshi ☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝

Answer 2

2a×2a ×2a+3b×3b×3b=(2a)^3+(3b)^3=
(2a+3b)^3-3(4a^2)(3b)-3(9b^2)(2a)=
15^3-3(3)2ab(2a+3b)
=15^3-18(10)(15)
=15(15^2-180)
=15(225-180)
=15×45
=675