which of the following is not an irrational number 5+√5 (b) (2+√5)√5 ,(2+√5)(2-√
5), 5√5
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Step-by-step explanation:
The mean of 10, 12, 16, 20, x and 26 is 17. Find the value of x.
(A) 16 (B) 17
(C) 18 (D)
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