Question

why we write direct proportion as x proportional to y

and inverse proportion as x proportional to 1/y


yea i know inverse is as simple as a reciporcal but even than what's the reason how we get that thang? i mean i am in need of a really nice explanation so that i (not so smart) can understand​

Answer 1

There are 2 types of proportions that are

• direct proportion
• inverse proportion

we say if x and y are directly proportional to each other means when x increases it increases with respect to y

we write directly proportional as

$x \alpha y$

and inversely proportion as

$x \alpha \frac{1}{y}$

Because in a way both (direct and inverse proportion) are opposite to each other ...

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