If the mth, nth and other terms of A.P. and G.P. be equal and are respectively x, y, z, then which of the following hold good?(a) xyz=1 (b) x^y.y^z.z^x = x^z.y^x.z^y(c) x^y.y^z.z^x=1(d) x^z.y^x.z^y=1

Shobana , 7 Years ago

Grade 11