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Prove that an = a(n-1)d |
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Answer» Thanks brooo Let a1, a2,a3,.... be an ap where a is first term and d is common differenceFirst term =aSecond term a2= a+ d=a+(2-1)d Third a3= (a+d)+d =a+(3-1)dtherefore an= a+(n-1)d |
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