show that the function f: R-R:f(x)={1, if x is rational number -1, if x is irrational number} is many one into function.

show that the function f: R-R:f(x)={1, if x is rational number -1, if

1.	show that the function f: R-R:f(x)={1, if x is rational number -1, if x is irrational number} is many one into function.
Answer» ᴛᴇ ! ⭐ᴀɴsᴡᴇʀ⭐A number is described as rational if it can be written as a fraction (ONE integer divided by another integer). A number is irrational if it cannot be written as a fraction. The decimal FORM of an irrational number does not TERMINATE or RECUR. Examples of irrational NUMBERS are π = 3.14159

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show that the function f: R-R:f(x)={1, if x is rational number -1, if x is irrational number} is many one into function.​

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show that the function f: R-R:f(x)={1, if x is rational number -1, if x is irrational number} is many one into function.