find the 15th and 30th term of -3,-1/2,2
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Answer:
a = -3
d = -1/2 - (-3)
d = -1/2+3
d = 5/2
a15 = -3 + 14(5/2) = 35-3 = 32
a30 = -3 + 29(5/2) = (-6+145)/2 = 139/2
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solution of the maths is at above
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