From the 3rd terms of Arthematic sequence is 43..6th term 76 write down the sequence?
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Step-by-step explanation:
a3 = 43 => a + 2d = 43 ________(1)
a6 = 76 => a + 5d = 76 _________(2)
(2)-(1)
76 - 43= a+5d-a-2d
33=3d => 11=d
put it in eq(1)
a+2(11)=43
a+22=43
a=43-22=21
So 21 is answer
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