If a=2 b, then the value of \frac{a+b}{a-b} is

SSC CHSL 19 Mar 2020 Shift 1 Paper

Question : 52 of 100

Marks: +1, -0

a=2 b

, then the value of

{a+b}/{a-b}

Solution:

Given,

a=2 b

⇒

{a}/{b}={2}/{1}

∴

{a+b}/{a-b}={2+1}/{2-1}={3}/{1}=3

[by using componendo and dividendo]

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