Factorise :15a3b – 35ab3 A) 5(a3b – 7ab3 ) B) 5ab (3a2 – 7b2)�

1.	Factorise :15a3b – 35ab3 A) 5(a3b – 7ab3 ) B) 5ab (3a2 – 7b2) C) 5a b (3a2 – 7b2)D) 5ab (3a2 – 7b)
Answer» B) 5ab (3a² – 7b²) Correct option is (B) 5ab (3a² – 7b²) \(15a^3b-35ab^3\) \(=5ab(3a^2-7b^2)\)

Factorise :15a3b – 35ab3 A) 5(a3b – 7ab3 ) B) 5ab (3a2 – 7b2) C) 5a b (3a2 – 7b2)D) 5ab (3a2 – 7b)

Answer»

B) 5ab (3a² – 7b²)

Correct option is (B) 5ab (3a² – 7b²)

\(15a^3b-35ab^3\) \(=5ab(3a^2-7b^2)\)