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Old Tuesday, September 06, 2016
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Quote:
Originally Posted by plotinium View Post
iq was like this,
1. p+x = constant , p-x = constant ;find p^2 -x^2 =?

(p+x) * (p-x) = p^2 -x^2

Constants also needed to be multiplied so the answer was 10 * 5 = 50
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