Mathematics for IGCSE & O level - Surds (Section 1 - No. 39)
Which statement is TRUE?
The product of two surds is always a surd.
The sum of two surds is always a surd.
The difference of two surds is always a surd.
The product of two surds can be rational.
Explanation
√2 * √2 = 2 (rational)
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