If a:b = c:d, which of the following is true by Compone... – Arithmetic

Arithmeticmedium · Past Paper

If a:b = c:d, which of the following is true by Componendo and Dividendo?

A(a+b)/(a-b) = (c+d)/(c-d)

Ba/c = b/d

C(a-b)/b = (c-d)/d

Dab = cd

✓ Correct Answer: A — (a+b)/(a-b) = (c+d)/(c-d)

Componendo and Dividendo states that if a/b = c/d, then (a+b)/(a-b) = (c+d)/(c-d).

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