Factorisation of 12a 2 b + 15ab 2 is 1. 3a(4ab + 5b 2 ) 2. 3b(4a 2 + 5ab) 3. 3ab(4a + 5b) 4. none of these

H.C.F. of 12a 2 b and 15ab 2 is 3ab. ∴ 12a 2 b + 15ab 2 = 3ab(4a + 5b). Hence, Option 3 is the correct option.

Mathematics

5 Likes

H.C.F. of 12a²b and 15ab² is 3ab.

∴ 12a²b + 15ab² = 3ab(4a + 5b).

Hence, Option 3 is the correct option.

Answered By

2 Likes