Question

16.
Show that V5+2V 3 is irrational,​

Answer 1

Answer:

method of contradiction

let this be a rational number that is it can be expressed in the form of p/q where p and q are co primes and q is not equal to 0

atq

root 5 +2*root3=p/q

root 5=p/q-2*root3

but root 5 is an irrational number

hence our consumption is wrong

there the given number is an irrrational number

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