4.2x4.2-1.9x1.9/2.3x6.1 is equal to:

4.2x4.2-1.9x1.9/2.3x6.1 is equal to:

Quiz

Answer/Solution

1

Steps/Work

Given Expression
=(a2 - b2)/(a + b)(a - b)
=(a2 - b2)/(a2 - b2)
= 1.
Answer is B.