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[NO LINKS] Is √(21) + √(100) RATIONAL or IRRATIONAL?
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2 votes
[NO LINKS] Is
√(21) + √(100) RATIONAL or IRRATIONAL?

User Kevin Mangold
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7.6k points

1 Answer

4 votes

√21+√100

= √21+10

Though 10 is a rational number but, √21 is irrational, we know the sum of a rational and irrational number is an irrational number.

So, √21+√100 is irrational.

User Mike Hopkins
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8.3k points
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