if a=-1&d=1/2 find 2 terms of a.p
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An arithmetic progression is given by a,(a+d),(a+2d),(a+3d), .
where a= the first term, d= the common difference
(i) 10,10+10,10+2(10) and 10+3(10)=10,20,30 and 40
(ii) −2,−2+(0),−2+2(0) and −2+3(0)=−2,−2,−2 and −2 (this is not an A.P)
(iii) 4,4+(−3),4+2(−3) and 4+3(−3)=4,4−3,4−6 and 4−9=4,1,−2 and −5
(iv)−1,−1+(21),−1+2(21) and −1+3(21)=−1,−21,0 and 21
(v)−1.25,−1.25+(−0.25),−1.25+2(−0.25) and −1.25+3(−0.25)=−1.25,−1.50,−1.75 and
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