Question

Left `f(x) = {{:(1",", "if x is rational number"),(0",", "if x is irrational number"):}`. The value `fof (sqrt(3))` is

Options

• 0

• 1

• Both 0 and 1

• None of these

Answer 1

1

Explanation:

Here `fof (sqrt(3)) ⇒ f(fsqrt(3)) ⇒ f(0) = 1`

Does not exist.