Q10 of 81 Page 161

Let us write whether the following statements are true or false :

i. and are similar surds


ii. is a quadratic surd.

(i) True.


√75 = √(5 × 5 × 3) = 5√3


√147 = √(7 × 7 × 3) = 7√3


√3 is common on both surds


(ii) False


π itself is an irrational number


hence;


Square root of π is not a surd.


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