Free square root calculator - step-by-step solutions to help calculate the square root of the radical expression.

Symbolab 数学求解器提供免费平方根计算器，一步步计算任何数的平方根。

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Free Online Square Root calculator - Find square roots of any number step-by-step

What is the square root of 15? The value of the square root of 15 is approximately equal to 3.8729. Visit BYJU’S to learn how to find the square root of 15 using the long division and prime factorization method.

一个正数有两个实平方根，它们互为相反数；0只有一个平方根，就是0本身；负数有两个共轭的纯虚平方根。 一般地，“√￣”仅用来表示算术平方根，即非负的平方根。 如：√16=4。

sqrt(15) No simplification exists, Root remains : • sqrt(15) Simplify : sqrt(15) Factor 15 into its prime factors 15 = 3 • 5 To simplify a square root, we extract factors ...

2016年6月26日 · How do you find the square root of 15? √15 is not simplifiable. We can find rational approximations 31 8, 244 63. 15 = 3 × 5 has no square factors, so √15 cannot be simplified. It is not expressible as a rational number. It is an irrational number a little less than 4.

sqr (x)代表求非负数x的 算术平方根。 Sqr 函数返回一个数的平方根。 2、注意：number 参数不能是负值。 1、前提条件相同：算术平方根和平方根存在的前提条件都是“只有非负数才有算术平方根和平方根”。 2、存在包容关系：平方根包含了算术平方根，因为一个正数的算术平方根只是其两个平方根中的一个。 3、0的算术平方根和平方根相同，都是0。 sqr函数是什么意思？ sqr (x)代表求非负数x的算术平方根。 Sqr 函数返回一个数的平方根。 1、语法Sqr (number)2、注 …