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compute the sum 

 

\( a)[ 101^2 - 97^2 + 93^2 - 89^2 + \cdots + 5^2 - 1^2.]\)

 

compute the sum 

 

\( b)[ (a +(2n+1)d)^2- (a + (2n)d)^2 +(a + (2n-1)d)^2 - (a+(2n-2)d)^2 + \cdots + (a+d)^2 - a^2.]\)

 

 

PLZ HELP VERY CONFUSING AHHHH

 Aug 23, 2020
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See answers to both of your questions in the middle of this page by "heureka" :

 

https://web2.0calc.com/members/heureka/?answerpage=531

 Aug 23, 2020

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