The power $P$ in watts (W) in a circuit with resistance $R$ in ohms $(\Omega)$ varies according to $\mathrm{P}=\frac{49 \mathrm{R}}{(\mathrm{R}+9)^{2}}$. Find the resistance that gives the maximum power.

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The Answer of The power $P$ in watts (W) in a circuit with resistance $R$ in ohms $(\Omega)$ varies according to $\mathrm{P}=\frac{49 \mathrm{R}}{(\mathrm{R}+9)^{2}}$. Find the resistance that gives the maximum power.

The Power PPP In Watts (W) in a Circuit with Resistance RRR

The Power $P$ In Watts (W) in a Circuit with Resistance $R$