3+sqrt(x+1) = 5
----> sqrt(x+1) = 5 - 3
----> sqrt(x+1) = 2
---->Make both sides to power of 2 : (sqrt(x+1))2 = 22
----> then you get: x+1 = 4
----> x = 4 - 1
finally ----> x = 3;
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It is called the fourth root, and is denoted x1/4 or x0.25 (as opposed to x1/2 and x0.5 for square roots). It can also be denoted 4√x. A square root of a square root is the fourth root of a number.
Here are some examples. x1/2 = square root of x; x1/3 = cubic root of x; in general, x1/n = nth root of x. Also, x2/3 = the square of the cubic root of x, or equivalently, the cubic root of the square of x.
smart alec answer: as x=4 proper answer: as x1/2=2, or as √x=2
If you know the coordinates, use the Pythagorean Theorem: take the square root of ((x2 - x1)2 + (y2 - y1)2).If you know the coordinates, use the Pythagorean Theorem: take the square root of ((x2 - x1)2 + (y2 - y1)2).If you know the coordinates, use the Pythagorean Theorem: take the square root of ((x2 - x1)2 + (y2 - y1)2).If you know the coordinates, use the Pythagorean Theorem: take the square root of ((x2 - x1)2 + (y2 - y1)2).