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show that (√2+2)² is irrational
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Since 6 - 4√2 is an irrational number ( As anything added with irrational number is an irrational number ), ( √2 - 2 )² is also ...
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(a+b)^2= a sq + b sq + 2ab
Therefore here it would be 2+4+4* root 2 . Now rational + irrational = irrational . Hence shown.
Hope it helps and I am not late in answering you!!
Therefore here it would be 2+4+4* root 2 . Now rational + irrational = irrational . Hence shown.
Hope it helps and I am not late in answering you!!
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