Question

Q) Find the HCF and LCM of :
a³- 9ab² , a³+3a²b​

Answer 1

Answer:

Step-by-step explanation:

a3 - 9ab2 = a(a2 - 9b2)

                = a { a2 - (3b)2 }

                = a (a+3b) (a-3b)

a3 +3a2b = a2 (a + 3b)

HCF = a ( a + 3b)

LCM = a x (a+3b) x (a-3b) x a

       = a2  (a + 3b) (a - 3b)