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In the AP: 8, 4, 0, -4,... find the sum of the first 10 terms.
Mathematics
ScanSolve AI Answer
Answer
-325
Step-by-step solution
4 stepsHili ni swali kuhusu Mfululizo wa Kihesabu (Arithmetic Progression - AP). Tunahitaji kupata jumla ya vigezo 10 vya kwanza.
Formula ya jumla ya vigezo vya kwanza vya AP ni:
ambapo ni kigezo cha kwanza, ni tofauti ya kawaida (common difference), na ni idadi ya vigezo.
Tambua kigezo cha kwanza () na tofauti ya kawaida ().
Kutoka kwa mfululizo :
Kigezo cha kwanza .
Tofauti ya kawaida .
Unaweza pia kuthibitisha: .
Idadi ya vigezo .Badilisha vigezo hivi kwenye formula ya jumla ya AP.
Fanya hesabu ndani ya mabano.
Rahisisha zaidi.
Jumla ya vigezo 10 vya kwanza ni:
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