Question

If 301 × 302 = 90000 + (m + n) × 300 + mn, what is the value of (m × n)?

Answer 1

Answer:

Answer is 2

Step-by-step explanation:

Put a =300;

(a+1) (a+2) = a^2 + 3a +2

and compare this with right hand side

m+n = 3

m*n = 2