If a- b-c- d- and e- f-g- h- then a e-b f-a e-b f-A- e - f - e - f B- c g-d h-c g-d hC- c g-d h-c g-d hD- e - f - e - f

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Ratio & Proportion

If a: b=c: d,...

Question

If a:b = c:d, and e:f = g:h, then (ae+bf):(ae-bf)=?

\frac{(e + f)}{(e - f)}

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\frac{(c g + d h)}{(c g - d h)}

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\frac{(c g - d h)}{(c g + d h)}

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\frac{e - f}{e + f}

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Similar questions

a : b = c : d

e : f = g : h

a e + b f : a e - b f = c g + d h : c g - d h

A B C D

E, F, G

H

A B, B C, C D

D A

A E = B F = C G = D H

E F G H

(k J {m o l}^{- 1})

A_{(g)} \to A_{(g)}^{+} + e^{-}, A_{1}

B_{(g)}^{+} \to B_{(g)}^{2 +} + e^{-}, B_{2}

C_{(g)}^{+} \to C_{(g)}^{2 +} + e^{-}, C_{2}

B_{(g)} \to B_{(g)}^{+} + e^{-}, B_{1}

C_{(g)} \to C_{(g)}^{+} + e^{-}, C_{1}

C_{(g)}^{2 +} \to C_{(g)}^{3 +} + e^{-}, C_{3}

D, E, F

B C, C A, a n d A B

Δ A B C

A D

B E

G

A G + B G + C G

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