Calculate the following: (2.39)2 - (1.61)2/2.39 - 1.61
A. 2
B. 4
C. 6
D. 8
Answer:B
Calculate the following: (2.39)2 - (1.61)2/2.39 - 1.61
A. 2 B. 4 C. 6 D. 8
Explanation: a + b)(a - b)/(a - b) = (a + b) = (2.39 + 1.61) = 4. Given Expression = a2 - b2/a - b = (a + b)(a - b)/(a - b) = (a + b)