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Identify the flaw in the following argument which supposedly determines that n2 is even when n is an even integer. As well name the reasoning:
Assume that n2 is even. After that n2 = 2k for some integer k. Let n = 2l for some integer l. This depicts that n is even.
Ans: The flaw lies in the following statement "Let n = 2l for some integer l. This depicts that n is even". This is a loaded and biased reasoning. This can be hence proved by method of contradiction.
If α, β are the zeros of the polynomial x 2 +8x +6 frame a Quadratic polynomial whose zeros are a) 1/α and 1/β b) 1+ β/α , 1+ α/β. Ans. P(x) = x 2 +8x +6 α + β = -8
In a frequency distribution mode is 7.88, mean is 8.32 find the median. (Ans: 8.17) Ans: Mode = 3 median - 2 mean 7.88 = 3 median - 2 x 8.32 7.88 +16.64 = 3 median
Joey participated within a dance-a-thon. His team begin dancing at on Friday 10 A.M. and stopped at 6 P.M. on Saturday. How many hours did Joey's team dance? From 10 A.M. Frida
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objective of linear programming?
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Tom has five times as many marbles as Jim. together they have 42 marbles. how many marbles does each has?
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all basic knowledge related to geometry
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