# HELP!!!! Please solve for k....?

ik/i+k=r^2

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- Anonymous1 decade agoFavorite Answer
ik/i+k=r^2

k+k=r^2

2k=r^2

k=(r^2)/2

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- 1 decade ago
ik=r^2(i+k) cross multiply

ik=ir^2+r^2k apply r^2 to the ()

ik-r^2k=ir^2 subtract r^2k

k(i-r^2)=ir^2 factor out k

k=ir^2/(i-r^2) divid it by (i-r^2)

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