Math, asked by cooldude5508, 1 month ago

prove that 2+4÷5√7 is irrational​

Answers

Answered by Reeta987
3

Answer:

2+4÷5√7

Let be,

2+4÷57

6÷57

57= a6

7= a6/5b

This shows (a6/b5) is a rational number, 7 is irrational number

Because we know that 7 an irrational number

Answered by crazydark251
2

2+4=577

Let be,

2+4577

6-517

517= a6

17= a6/5b

This shows (a6/b5) is a rational number,

17 is irrational number

Because we know that v7 an irrational number

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