Answers

2014-06-11T17:51:15+05:30
Let the no. be x and y, then
x+y = 100
x-y = 37
x^{2} - y^{2} = (x+y) (x-y) = 100 *37= 3700
0
2014-06-11T17:51:20+05:30
Let first number = x
second number = y
x+y = 100-------------(1)
x-y = 37 ------(2)
(1)+(2)
2x = 137
x = 137/2
y = 63/2
x² - y² = 18769/4 - 3969/4
          = 14800/4
 x² - y² = 3700
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