012345
Answered

prove that 2root3+root5 is an irrational number also check wheather (2root3+root5)(2root3-root5) ia rational or irrational.

Answer :

heman1
(a+b)(a-b)=a×a-b×b
(2 √3)(2 √3)-( √5)( √5)
12-5
7
Rational

Other Questions