Question

It is given that √5 is irrational. Hence, prove that 3/4 - 2√5÷7 is also irrational.​

Answer 1

Answer:

√5=2.236067.......(an irrational number)

therefore,3/4-2√5÷7=0.11112343.....(cannot be written in the form of p by q)

so it is irrational

hence proved