gof और fog ज्ञात कीजिए , यदि
f (x) = |x| और g (x) = |5x - 2|

Explanation

यहाँ f (x) = |x| , g (x) = | 5x - 2|
(gof) (x) = g [ f (x) ] = g (|x|)
= | 5 |x| - 2| = | 5x - 2|
(fog)(x) = f [ g (x) ] = f (|5x - 2|)
= || 5x - 2 || = |5x - 2| ,
[ `therefore` |5x - 2 | `ge ` 0 ] .