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I need help with #41 and #42 ASAP please help me.. please show step by step I need to get it done soon because It is due

I need help with #41 and #42 ASAP please help me.. please show step by step I need-example-1
User Stefan Ferstl
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1 Answer

13 votes
13 votes

Answer:

Explanation:

41)


1+2+3+4+...+n=((n+1)*n)/(2) \\\\2+4+6+...+2n=2*(1+2+3+4+...+n)=2*((n+1)*n)/(2) =(n+1)*n\\\\

42)

the square of the sum of the first n natural integers equals the sum of the cubes of these

User Sdesvergez
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