Square Root Of 780 In Simplest Radical Form

Simplify the square root of 780 to its lowest radical form.

ANSWER: 2√195

2√195 is in the lowest radical form.

Simplified Radical Form of √780

One of the main facts used to simplify square roots is that the square root of a product is equal to the product of square roots: √(x×y) = √x×√y

Explanation:

When we find square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.

Step 1: List Factors

To simplify √780, we need to divide into factors.

√780 = √2 x √2 x √3 x √5 x √13

Step 2: List Perfect Squares

1 is a perfect square and divides 780
4 is a perfect square and divides 780

Step 3: Divide To Perfect Square

Divide 780 by the largest perfect square you found in the previous step:

Step 4: Calculate The Square Root

Calculate the square root of the largest perfect square:

Final Step :

Put Steps 3 and 4 together to get the square root of 780 in its simplest form: 2√195

How do you simplify √780

The general approach is to first check if it is a perfect square. If so, you have the answer. If it is not a perfect square, see if any of its factors are perfect squares, or can be combined to make square numbers.

Find the lowest prime number that can divide 780. Divide 780 repeatedly using the long division method till you reach 1.

A pair of factor 'twins' under a square root sign (radical) form a single factor outside of it.

Factors that do not have a twin remain under the radical. Multiply them back together and leave them in there.

So, the answer is 2√195.

Simplified Decimal Form of √780

The square root of 780 is approximately 27.928 when expressed in decimal form and you can find additive inverse of a decimal number.

Calculation Table:

Square Root Answer Calculation
√77 Square root of 77 is the simplest radical form. √7 x √11
√14 Square root of 14 is the simplest radical form. √2 x √7
√27 3√3 √3 x √3 x √3
√456 2√114 √2 x √2 x √2 x √3 x √19
√999 3√111 √3 x √3 x √3 x √37
√446 Square root of 446 is the simplest radical form. √2 x √223
√3990 Square root of 3990 is the simplest radical form. √2 x √3 x √5 x √7 x √19
√9933 Square root of 9933 is the simplest radical form. √3 x √7 x √11 x √43
√8233 Square root of 8233 is the simplest radical form. √8233

Convert any root forms to simplest radical form.

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