If x(5+√7) is a rational number, then a must be
equal to
(a) 5+√7
(b) √7-5
(c) √7+ √5
(d) 7+ √5
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Answered by
0
Answer:
THE ANSWER IS A
Explanation:
BECAUSE THERE WOULD BE NO CHANGE WHEN MULTIPLIED BY A VARIABLE
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Answer:
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