find a5 and a7 of ap -3,-1/2,2 math
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Answer:
5of ap7/,322
Step-by-step explanation:
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Answered by
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Step-by-step explanation:
1st term = - 3 , common difference = - 1/2 - (- 3) = - 1/2 + 3 = 5/2
Therefore a5 = - 3 + (5 - 1) 5/2 = - 3 + 4 × 5/2 = - 3 + 10 = 7
& a7 = - 3 + (7 - 1) 5/2 = - 3 + 6 × 5/2 = - 3 + 15 = 12
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