Question

find the following product​

Answer 1

Answer:

given that (2/5.ab- c) (2/5.ab+c)

Step-by-step explanation:

we have to find their products

• so we know that (a+b) (a-b) = a
• ${a}^{2} - {b}^{2}$
• Answer will be
• $\frac{4}{25} a {}^{2} b {}^{2} - c {}^{2}$