Which one is the following is a rational number? Answer A.√200 B.√125 C.√361
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C) 361 is a rational no.
19 ×19=361
19 ×19=361
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Answer:
Option C - √361
Step-by-step explanation:
Because,
√200 = √(100 × 2) = 10√2, Which is irrational
√125 = √(25×5) = 5√5, Which is irrational too
But, √361 = √(19²) = 19, Which is Rational
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