Question:
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PLEASE PROVIDE STEP BY STEP EXPLANATION & ANSWER

The expression representing a rational number is :
because it's value = 6
Numerele rationale din multime vor fi cele care sub radical au un patrat perfect: 1; 4; 9; 16; 25; 36; 49; 64; 81[tex]\sqrt{36} \\are, multimea, 6[/tex]