Math, asked by kmuskan11aug, 3 months ago

Show that
1x22 +2x32 + ... + n(n+1)2_3n+5
12 x2+22x3+...+n? x(n+1) 3n+1.

Answers

Answered by laiju62

0

Answer:

If 9n × 32 × (3−n2)−2− 27n33m × 23=127 , prove that m−n=1

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