Question

prove that 5 + 3 root 7 upon 3 is irrational when under root 7 is irrational​

Answer 1

Answer:

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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