Question

Find the following products using Identity -III. I) (0.1m-0.2n)(0.1m+0.2n)​

Answer 1

Answer:

$(0.1m - 0.2n)(0.1m + 0.2n) \\ using \: identity \: (x - y)(x + y) = {x}^{2} - {y}^{2} \\ {0.1m}^{2} - 0.2 {n}^{2} = 0.01 {m}^{2} - 0.04 {n}^{2}$