Question

If ‘a’ and ‘b’ are two decimal numbers such that a*b = a+b-1 , find the value of

2.312*9.92?​

Answer 1

a+b-1

2.312 + 9.92 - 1

= 11.232

Answer 2

Answer:

2.312*9.92= 2.312+9.92-1= 11.232