The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is?
Choose the correct choice from the following answers:
A) 4
B) 2
C) 5
D) 7
E) 3
x + y = 25   xy = 144   (x- y)2 = (x + y)2 â€“ 4xy   (x- y)2 = 625 â€“ 576 =&gt; (x â€“ y) = 7   Answer 7
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The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is?