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Two mappings f:R to R and g:R to R are d...

Two mappings `f:R to R` and `g:R to R` are defined as follows:
`f(x)={(0,"when x is rational"),(1,"when x is irrational"):}` and
`g(x)={(-1,"wnen x is rational"),(0,"when x is irrational"):}` then the value of `[(gof)(e)+(fog)(pi)]` is -

A

`-1`

B

`0`

C

`1`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
A
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