Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{P_{n+1}}{P_{n}^{D}}$$

Answer

$$Pn+Pn^D$$

Solution


Simplify  \(1\times {Pn}^{D}\)  to  \({Pn}^{D}\).
\[Pn+{Pn}^{D}\]
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