show that 2+cube root 5 is irrational
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first we let 2+cube root 5 is a rational no.
as we know that rational number is equal to
a/b(these are some integers).
2+cube root 5=a÷b
cube root 5 =a+2b/b
as we know that cube root 5 is irrational no.
so;2+cube root 5 is irrational no.
as we know that rational number is equal to
a/b(these are some integers).
2+cube root 5=a÷b
cube root 5 =a+2b/b
as we know that cube root 5 is irrational no.
so;2+cube root 5 is irrational no.
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