The square of a real number is always a real number.
Of course, not only can it be a real number but it is a real number. When you take the square root times itself, the result is a number that is real.
The square root of any positive real number (as in this case) is a real number. (Such square roots are usually irrational.)The square root of a negative real number, such as the square root of -15, is an imaginary, and therefore also a complex, number.
Yes, square of 2 is a real number. Real numbers fall into 2 categories, Rational and Irrational. Square of 2 is an irrational number.
The square roots of any positive real number are a positive and a negative real number. The square roots of any negative real number are a positive and a negative imaginary number. The square roots of any imaginary number or any complex number are two complex numbers.
The square of a real number is always a real number.
Of course, not only can it be a real number but it is a real number. When you take the square root times itself, the result is a number that is real.
I thought it was real... square of -x is the same as the square of +x
The square root of seven is a real number, but it is not a whole number.
The square root of any positive real number (as in this case) is a real number. (Such square roots are usually irrational.)The square root of a negative real number, such as the square root of -15, is an imaginary, and therefore also a complex, number.
The square root of 0 is 0, which is a real number.
Yes. It's 9. The square root of every positive real number is a real number.
Yes, square of 2 is a real number. Real numbers fall into 2 categories, Rational and Irrational. Square of 2 is an irrational number.
The square roots of any positive real number are a positive and a negative real number. The square roots of any negative real number are a positive and a negative imaginary number. The square roots of any imaginary number or any complex number are two complex numbers.
no. is not a real number
No. In general, the square root of a negative number is an imaginary number, which is not a real number.
When you square a real number the answer is positive,