Question

proof of √5 ( class 10 th )​

Answer 1

Answer:

let us assume √5 is rational number

√5=a/b

√5b=a

squaring on both sides

5b^=a^

5 divides a and a^

hence this contradiction proves that

√5 is irrational number

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Answer 2

Answer:

that root 5 is a rational number route by equal to a upon B where A and B are coprime and b is ≠ 0

Step-by-step explanation:

(√5 )²= (a upon b)²

5=a² upon b²

b²5=a²upon b 5

for some integer root 5 equal to 5 M upon b

square both side

same like up I have done

if not understand go you and scarch how prove √5 is irrational