Question

1. Which of the following is not a surd?

(a) √7 (c) 3√64

(b) 3√ 17

(d) √19




plzz help me ​

Answer 1

Answer:

option c is not a surd, since root over 64 has an accurate value (8). And it's product whenultiplird with 3 also has an accurate answer

Answer 2

Answer:

answer is 3√64

Step-by-step explanation:

because 3√64 is a rational number as

=3√64

= 3(8)

=24

so it is not a surd as surd represent an irrational number