1.

If the number of positive integral solutions of x_1 +x_2+x_3=n be denoted by P_n then ∣∣∣∣PnPn+1Pn+2Pn+1Pn+2Pn+3Pn+2Pn+3Pn+4∣∣∣∣=

Answer»

If the number of positive integral solutions of x_1 +x_2+x_3=n be denoted by P_n then

PnPn+1Pn+2Pn+1Pn+2Pn+3Pn+2Pn+3Pn+4
=




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