Question

27.Prove that √5 is an irrational number.​

Answer 1

√5= 5½.

the number which has power in the fraction form

we already know

the num ber which cannot be expressed in the form

p/q and p. and Q are integers where pis not equal to 0 then it is called irrational number

Here,

√5 cannot be expressed in the form of P/q

so,

√5 is a irrational. number