જો \(\rm\left(2y+\frac{2}{y}\right)\) = 7,છે તો \(\rm\left(y^{2}+\frac{1}{y^{2}}\right)\) ની કિંમત શોધો .

1
\(\frac{45}{4}\)
2
\(\frac{49}{4}\)
3
\(\frac{49}{2}\)
4
\(\rm\left(y^{2}+\frac{1}{y^{2}}\right)\)

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