Answer the following questions about the nature of certain square roots.
MATHEMATICS · Multi-part · CBSE · Mathematics · Real Numbers · Real Numbers
Problem
Answer the following questions about the nature of certain square roots.
(a) State the Fundamental Theorem of Arithmetic.
(b) Prove that 45 is an irrational number.
(c) From part (b), deduce whether 5 is rational or irrational, giving reasons for your answer.