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AP & GP
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AP & GP
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Index What is AP & GP? AP GP AP & GP Combined Practical problem AP & GP Addition till Infinity
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What is AP & GP
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What is a AP & GP Series AP Series 2,4,6,8,10…...20. 1,4,7,10,14…….. 1,-2,-5,-7…. GP Series 2,4,8,16,32…...1024. 1,3,9,27,81……..
Usage - EMI calculations, Depreciation © MeraSkill
AP Series 2,4,6,8,10,12,14,16,18,20. first term: a=2 common difference :d=2 No of terms : n=10 l= last term =20 AM tn= a+(n-1)d Sn = n/2 {2a+(n-1)d} =n/2 (a+l) Š MeraSkill
GP Series 2,4,8,16,32,64,128. first term: a=2 common ratio:r=2 No of terms : n=7 l= last term =128=arn-1 GM tn= arn-1 Sn = a(1-rn) /(1-r) that is when r<1 a(rn-1) /(r-1) that is when r>1 Š MeraSkill
AP
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Index Formula Finding term Arithmetic Mean Sum of AP Sum of Natural Number Misc Problem
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Formula tn= a+(n-1)d Sn = n/2 {2a+(n-1)d} =n/2 (a+l)
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