NDA2016MathematicsSequences and SeriesActual
Given that _x y, _z x, _y z are in GP, x y z=64 and x^3 , y^3, z^3 are in A.P. Which one of the following is correct? x y, y z and z x are
Options
- Ain AP only
- Bin GP only
- Cin both AP and GP
- Dneither in AP nor in GP
Correct answer
C. in both AP and GP
Step-by-step solution
Similarly x y, y z, z x are also in A.P. and G.P. both.