The difference of a positive number and its
reciprocal is 1.
What is the difference of their
Squares?
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Step-by-step explanation:
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Step-by-step explanation:
we have to use the formulas like
(a+b)^2=a^2+2ab+b^2
(a+b)×(a-b) =a^2 - b^2
and also (a-b) ^2=a^2 -2ab+b^2
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