Prove that 7 root 5 is an irrational number
Asked by admin @ in Math viewed by 309 People
Prove that 7 root 5 is irrational number
Asked by admin @ in Math viewed by 309 People
Prove that 7 root 5 is irrational number
Answered by admin @
Answer:
Let us assum that 7root5 is an irrational number ,say r
7root5=r
root5=r/7
Therefore r and 7 are rational number
r/7 is a rational number
This show that
root5 is rational number
But we know that root5 is an irrational number
Therefore our assumption was wrong
Hence 7root5 is an irrational number
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