which of the following is not in a.p?1.-1.2,0.8,2.8,...2.4/3,7/3,9/3,...3.-1/5,-2/5,-3/5,...4.1820,1920,2020,...?
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which of the following is not in a.p?1.-1.2,0.8,2.8,...2.4/3,7/3,9/3,...3.-1/5,-2/5,-3/5,...4.1820,1920,2020,...?
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2. is not an AP
Step-by-step explanation:
1] 8-(-1.2)=2.8-(.8)=d=2
2] 7/3-4/3 not equal to 9/3-7/3
3] -2/5-(-1/5)=-3/5-(-2/5)=d=-1
4] 1920-1820=2020-1920=d=100
Therefore question no.2 is not an AP
HOPE IT HELPS YOU BETTER
Step-by-step explanation:
2ND ONE IS NOT IN AP
BECAUSE AP MEANS DIFFERENCES WILL BE EQUAL
BUT UN THAT DIFFERENCE S ARE NOT EQUAL
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