Question

Find product using (a+b)(a-b)
197*203

Answer 1

197=200-3

203=200+3

Now you need to find their product using (a+b)*(a-b)

(200+3)(200-3)

which is equal to a^2*b^2

a is 200

b is 3

200^2-3^2

That will give you the answer 39991

Hope this helps!

Answer 2

Step-by-step explanation:

${a}^{2} - {b}^{2}$