Evaluate : (2.39)(power 2) - (1.61) (power 2) / 2.39 - 1.61  Choose the correct answer
A) 4
B) 6
C) 8
D) 2
E) 10
Given Expression = a(power 2) - b(power 2) / a-b   = (a + b)(a - b) / (a-b)   = (a + b) = (2.39 + 1.61)= 
<gadget id="calculator">(2.39 + 1.61)</gadget>
<output>4</output>
4.   4nswer is 4.
<result>A</result>
Evaluate : (2.39)(power 2) - (1.61) (power 2) / 2.39 - 1.61