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20 lines
745 B
Python
20 lines
745 B
Python
from .__init__ import *
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from ..__init__ import Generator
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def arithmeticProgressionSumFunc(maxd=100, maxa=100, maxn=100):
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d = random.randint(-1 * maxd, maxd)
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a1 = random.randint(-1 * maxa, maxa)
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a2 = a1 + d
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a3 = a2 + d
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n = random.randint(4, maxn)
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apString = str(a1) + ', ' + str(a2) + ', ' + str(a3) + ' ... '
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problem = 'Find the sum of first ' + str(n) + ' terms of the AP series: ' + apString
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solution = n * ((2 * a1) + ((n - 1) * d)) / 2
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return problem, solution
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arithmeticProgressionSum = Generator("AP Sum Calculation", 83,
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"Find the sum of first n terms of the AP series: a1, a2, a3 ...",
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"Sum", arithmeticProgressionSumFunc)
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