Use special products to find each of the following
3. (vi) (0.4xy - 0.21mn)(0.4xy + 0.2mn)

Question

​​Use special products to find each of the
following
​3 (vi) (0 4xy - 0 21mn)(0 4xy + 0 2mn)

Manbar Singh · Accepted Answer

0 4xy - 0 21 mn0
4xy + 0 21 mn=0 4xy2 - 0
21mn2           as, a-ba+b = a2-b2=0
16x2y2 - 0 0441m2n2

​​Use special products to find each of the following ​3. (vi) (0.4xy - 0.21mn)(0.4xy + 0.2mn)