Question

Help please! Will give lots of points!

Answer 1

M =
`(4\pi ^2a^3)/(GT^2)`

Explanation:

T² =
`(4\pi ^2a^3)/(GM)` ( multiply both sides by GM to clear the fraction )

GMT² = 4π²a³ ( isolate M by dividing both sides by GT² )

M =
`(4\pi ^2a^3)/(GT^2)`