Physics - Gravitation Question with Solution | TestHub

The period of rotation of the stars about their common centre of mass in terms of $\mathrm{d},\mathrm{m},\mathrm{G}$ is $\mathrm{T}=\frac{2\pi {\mathrm{d}}^{\mathrm{x}/2}}{\sqrt{\mathrm{yGm}}}$. Then $\mathrm{x}+\mathrm{y}$ is :-