Question

$$\frac{tm_{30^{\prime}}{1-tcm^{2}30^{\prime}}=?$$

Answer

$$30^prime*t*m-t*c*m^230^prime$$

Solution


Simplify  \(tm\times {30}^{prime}\times 1\)  to  \(tm\times {30}^{prime}\).
\[tm\times {30}^{prime}-tc{m}^{{230}^{prime}}\]
Regroup terms.
\[{30}^{prime}tm-tc{m}^{{230}^{prime}}\]