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प्रश्न
The number `(5 - 3sqrt(5) + sqrt(5))` is ______.
विकल्प
an integer
a rational number
an irrational number
a whole number
उत्तर
The number `(5 - 3sqrt(5) + sqrt(5))` is an irrational number.
Explanation:
We have,
The number is `(5 - 3sqrt(5) + sqrt(5))`
= `(5 - 2sqrt(5))` is also an irrational number.
संबंधित प्रश्न
Define an irrational number ?
Find one irrational number between 0.2101 and 0.222... = `0.bar2`
Give an example of two irrational numbers whose:
quotient is a rational number.
Find two irrational numbers lying between 0.1 and 0.12.
Prove that of the numbers `sqrt (6) ` is irrational:
Prove that of the numbers `3/sqrt(5)` is irrational:
Write a pair of irrational numbers whose product is irrational.
Write a pair of irrational numbers whose product is rational.
Represent the number `sqrt(7)` on the number line.
The square of an irrational number is always rational.
