Grade 11IIT JEE Entrance Exam
If a b c d are in GP and a^x=b^y=c^z=d^u then x,y,z,u are in HP. how please explain
If a b c d are in GP and a^x=b^y=c^z=d^u then x,y,z,u are in HP. how please explain
1 Answer
Arun
On solving we get y=2xz/(x+z)which means x,y,z are in H.P z=cy=bx= acAlso a2a,b,c are in GP then y
Regards
Arun (askIITians Forum expert)
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