Question

evaluate each of the following using identities​

Answer 1

Answer:

$( {a - b})^{2} = {a}^{2} + {b}^{2} - 2ab$

$( \frac{p}{3} )^{2} + ( \frac{3}{p} )^{2} \: - 2 \times \frac{p}{3} \times \frac{3}{p}$

$= \frac{p}{9} + \frac{9}{p} - 2$

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