Question

Hi there can you please help me


`t = \sqrt{ (ab - s)/(r + ak) }`
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Answer 1

`t=\sqrt{(ab-s)/(r+ak)}\\\\t^2=(ab-s)/(r+ak)\\\\rt^2+akt^2=ab-s\\\\akt^2-ab=-rt^2-s\\\\a(kt^2-b)=-(rt^2+s)\\\\a=-(rt^2+s)/(kt^2-b)\\\\a=-(rt^2+s)/(-(b-kt^2))\\\\a=(rt^2+s)/(b-kt^2)`