Prove that [tex]7 \ \sqrt{5} [/tex] is Irrational..
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AryanTennyson
Let assume that 7√5 be rational .for a rational number the formula is a/b so 7√5=a/b √5=a/b because 7 and five are integers so therefore a/7b is a rational number ,so √5 is a rational number this shows the fact of √5 is irrational number.
Answers & Comments
so 7√5=a/b
√5=a/b
because 7 and five are integers so therefore a/7b is a rational number ,so √5 is a rational number this shows the fact of √5 is irrational number.