Question 3 (iv) In the following APs, find the missing term in the boxes.
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Solution
ForthisA.P.,a=−4a6=6Weknowthat,an=a+(n−1)da6=a+(6−1)d6=−4+5d10=5dd=2a2=a+d=−4+2=−2a3=a+2d=−4+2(2)=0a4=a+3d=−4+3(2)=2a5=a+4d=−4+4(2)=4 Therefore, the missing terms are −2, 0, 2, and 4 respectively.