The value of (0.137+0.098)²-(0.137 - 0.098)² / 0.137×0.098 is
Choose the correct choice from the following:
A) 0.039 B) 0.235 C) 0.25 D) 4 E) 5

Rationale: solution given expression = ( a + b ) ² - ( a - b ) ² / ab = 4 ab / ab = 4 . answer d
Answer: D