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Question Number 132747 by aurpeyz last updated on 16/Feb/21

Commented by mr W last updated on 16/Feb/21

$$\frac{1}{s}+\frac{1}{s^{\prime }}=\frac{2}{R}$$$$\frac{1}{s}+\frac{1}{-2}=\frac{2}{-12}$$$$\frac{1}{s}=\frac{1}{3}$$$$\Rightarrow s=3$$

Commented by aurpeyz last updated on 17/Feb/21

$$thankyouSir$$

Commented by aurpeyz last updated on 17/Feb/21

$$accordingtothissignconvention$$$$willanuprightimahebepositive$$$$ornegative?$$

Commented by mr W last updated on 17/Feb/21

$$theforumhereisneveragoodplace$$$$tolearnbasicthings...$$

Commented by aurpeyz last updated on 17/Feb/21

$$isthereanywayyoucanhelpme?$$

Answered by Dwaipayan Shikari last updated on 16/Feb/21

$$\frac{1}{x_o}+\frac{1}{x_i}=\frac{1}{f}f=\frac{R}{2}$$$$\frac{1}{x_o}=\frac{1}{f}-\frac{1}{x_i}{x}_i=-2f=-6$$$$x_o=+3cm$$

Commented by aurpeyz last updated on 17/Feb/21

$$thankyouSir$$

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