Question

prove that 4-root 2 is an irrational number

Answer 1

you can do that by root division method...
the answer will never end,
hence,
is grouped as irrational number

Answer 2

Heya Mate!!!

$\red{\huge{\underline{\star\: Solution \: \star}}}$


Let 4-3 root 2 is rational no

4-3 root 2 =a/b

-3 root 2   = a/b -4

-3 root 2   =a- 4b/b

root 2  =a- 4b/-3b

therefore, 4-3 root2 is an irrational no.

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