Find the 21th term from -30,-27,-24 from series?
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21st term = a+20d.
=-30 + 20(3). (•.• a= -30 , d = -27-(-30)=3)
= 30
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=-30 + 20(3). (•.• a= -30 , d = -27-(-30)=3)
= 30
please follow me
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