The sum of n terms of the given series : 1 x 3 x 5 + 2 x 4 x 6 + 3 x 5 x 7 + .......... to n terms .
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Step-by-step explanation:
4 + 3x5 + . . . + n ( n + 2 ) = ( n + 1 ) ( 2n + 7 ) . ... + 101 , ( e ) 1 x3 + 2 x 4 + 3x5 + 4 x 6 + . ... ( b ) Use your answer from part ( a ) to sum the series 1 x2 + 2x3 + 3 x 4 + 4 ...
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