Question

From the given numbers which is a rational no. a) (3+√23)-√23 b) 2-√5 c) √25 d) 2√7/2/7√7​

Answer 1

Answer:

a) 3+√23-√23=3(rational number)

b)2-√5(irrational number)

c)√25=5(rational number)

d)2√7/2/7√7=2√7*7√7/2=49(rational number)

Answer 2

Answer

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