Lesson: Challenging Arithmetic - 25

Square Root of negative number

[Page 25 of 30]

Square roots with the same base can be added or subtracted:

Square root of a number represents half power to the number.

Square root of a negative number is an irrational number. Irrational numbers are out of scope of the general tests.

Video Lesson - Square Roots of Negative Number

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While adding or subtracting terms involving square roots, just add or subtract the coefficients of the term.

However:

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