Question

tính

(3/7+1/2)^2

Answer 1

\(\left(\dfrac{3}{7}+\dfrac{1}{2}\right)^2=\left(\dfrac{6+7}{14}\right)^2=\left(\dfrac{13}{14}\right)^2=\dfrac{169}{196}\)

Answer 2

\(\left(\dfrac{3}{7}+\dfrac{1}{2}\right)^2\)

\(=\left(\dfrac{13}{14}\right)^2\)

\(=\dfrac{169}{196}\)

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