Question

Prove that 5- 3/7root3 is an irational number

Answer 1

Answer:

5-3/7root is rational number

do p and q are co primes

such that 5-3/7root3=p/q

5-3=p/q 7root3

2p/7q=root3

where 2p/7q is a rational and root 3 is aorrational number

therefore 5-3/7rot 3 is a irrational number