1. Using prime factorisation, examine which of the following numbers are perfect square :
(a) 632
(b) 1458
(c) 7225
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Answer:
a. 632
A perfect square is a number that can be expressed as the product of two equal integers.
632 = 2 × 2 × 2 × 79
632 can't be expressed as the product of two equal integers.
→ 632 is not a perfect square.
Step-by-step explanation:
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