Question

prove that 7+2 root 5 is an irrational no
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Answer 1

Answer:

7+2√5 is irrational because, 2√5 is irrational.......... 2√5 is irrational because √5 is irrational..........

√5 = 2.23606797749.......... so, √5 is irrational..... hence, √5 is irrational, 2√5 is irrational,...... therefore, 7+2√5 is irrational..

Step-by-step explanation:

Answer 2

Answer:

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