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How many fourth roots will a positive real number have?
In general, the answer is 4, but only 2 of them are real. For example, the 4th roots of 16 are 2, -2, 2i, and -2i.
HOW to take out fourth square root of a NUMBER?
The fourth square root is the 16th root of a number. On a computer, to find the 16th root of a number, say 5.6, enter 5.6^(1/16). If the number you start with is positive, you will have 2 real roots (one positive and one negative) and 14 complex roots. If it is negative, you will have 16 complex roots.
What are the fourth roots?
Fourth roots are the inverse operation of raising a number to the fourth power. For a given number, the fourth root is a number that, when raised to the fourth power, equals the original number. For example, the fourth root of 16 is 2, since 2^4 = 16. In mathematical notation, the fourth root of a number x is denoted as √√x or x^(1/4).
What the square roots of -256?
There are no real square roots of -256. But using complex numbers the square roots of -256 are 16i and -16i.
What is equal to the sqrt of negative 16?
4i square root of 16 is 4, but negative square roots aren't real so the i means its imaginary.
