Question

find the HCF of monomial: 9a³b and 18 a²b³​

Answer 1

$9 {a}^{3} b = {3 }\times 3 \times a \times a \times a \times b$

${18 {a}^{2} {b}^{3} = 2 \times 3 \times 3 \times a \times a \times b \times b \times b}$

$hcf = 3 \times 3 \times a \times a \times b \\ = > 9 {a}^{2} b$