Mathematics
If x = √2 − 1/√2 + 1 and y = √2 + 1/√2 − 1 , then find the value of x^2 + 5xy + y^2.
Related Questions
Choose the correct statement :
- Reciprocal of every rational number is a rational number.
- The square roots of all positive integers are irrational numbers.
- The product of a rational and an irrational number is an irrational number.
- The difference of a rational number and an irrational number is an irrational number.
Every rational number is
- a natural number
- an integer
- a real number
- a whole number