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CBSE Class 9MathematicsNumber System

In the following equations, examine whether x , y and z represents rational or irrational number. (i) x 3 = 27 (ii) y 2 = 7 (iii) z 2 = 0.16

Step-by-step solution

(i) x 3 = 27 x = So, it is a rational number. (ii) y 2 = 7 y = So, it is an irrational number. (iii) z 2 = 0.16 = z = = Hence, it is a rational number.

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