Prove
root 5
is
irrational number.
Answers
Answered by
1
Answer:
let √5be rational
√5=a÷b where a and b are coprime and b is not equal to 0
on squaring both sides
5=a2÷b2
5b2=A2
therefore 5 is a factor of a
similarly by substituting the value of b you get
5 is also a factor of b
a and b have 5 as their common factor
therefore our assumption is wrong
therefore√5 is irrational
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Answer:
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