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Question Number 154226 by mathocean1 last updated on 15/Sep/21

$$Giveni\left(t\right)=25cos\left(\omega t\right);$$$$u\left(t\right)=50[1+{\left(\omega t\right)}^{\frac{2}{2!}}+{\left(\omega t\right)}^{\frac{4}{4!}}+{\left(\omega t\right)}^{\frac{6}{6!}}+...].$$$$\frac{1}{T}\underset{0}{\stackrel{T}{\int }}u\left(t\right)\times i\left(t\right)dt=???$$$$choosethecorrectanswer:$$$$a.225$$$$b.425$$$$c.625$$$$d.anotherone$$

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