Check whether (2 root 3 + root 5)(2 root 3 + root 5) is rational or irrational
Answers
Answered by
4
yes are irrational now.
ayushmantiwari2583:
multiply both the sides by given nos.
then add
after that apply irrational theorem to get ur answet
Answered by
12
Answer:
(2√3+√5)(2√3-√5). It is in the form (a+b)(a-b)= a^2+b^2
•(2√3)^2+(√5)^2
=4*3+5
=12+5
=17
Hence it is rational
Step-by-step explanation:
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