Question

find A×B,B×A and A×A​

Answer 1

Answer:

So just put values of A+b and ab, you can find (A-B) like this, and then add the equations (A+B) (A-B) which is equal to 2 ab. Example is A+B = 25 and AB = 144. So (A-B)²= 25²- 576= 49 , A-B= 7. A+B + A- B = 25+7 = 2A = 32. A= 16 and B = 25-A= 7.