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13-10-2021
Mathematics

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if a² = 7/36, then a is
a) Rational b) irrational c) whole number d) integer

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sqdancefan sqdancefan

16-10-2021

9514 1404 393

Answer:

b) irrational

Step-by-step explanation:

a² = 7/36 . . . . . . given

a = (√7)/(√36) = (√7)/6

7 is not a perfect square integer, so √7 is irrational. Dividing it by an integer does nothing to make 'a' rational. a is irrational.

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