1.

If \[{{S}_{n}}\] denotes the sum of first n terms of an A.P. whose first term is a and \[\frac{{{S}_{nx}}}{{{S}_{x}}}\] is independent of x, then \[{{S}_{p}}=\]

A. \[{{P}^{3}}\]
B. \[{{P}^{2}}a\]
C. \[P{{a}^{2}}\]
D. \[{{a}^{3}}\]
Answer» C. \[P{{a}^{2}}\]


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