Question

Exercise 4.1
4
1) Using the prime factorisation method find which
of the following are perfect squares.
(ii) 624
(iii) 729
(v) 1296 (vi) 11025
​

Answer 1

Answer:

729, 1296 & 11025

Step-by-step explanation:

$624 = 2 \times 2 \times 2 \times 2 \times 2 \times 3 \times 13 \: \: \: \: \: \: \: \\ 729 = 3 \times 3 \times 3 \times 3 \times 3 \times 3 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ 1296 = 2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 3 \times 3 \: \: \: \: \\ 11025 = 5 \times 5 \times 7 \times 7 \times 3 \times 3 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

Hope it helps !!!