What is the expression of $(2 + \frac{1}{p})^2$ ?
Answer & explanation
Correct answer: option 1
( a + b )2 = a2 + b2 + 2ab
$(2 + \frac{1}{p})^2$
$(2 + \frac{1}{p})^2$ = 22 + \(\frac{1}{p^2}\) + 2 × 2 × \(\frac{1}{p}\)
$(2 + \frac{1}{p})^2$ = $4 +\frac{4}{p}+\frac{1}{p^2}$