However this gives an incorrect answer, and the correct one is obtained only when the #1/2# is first factorised. Why is this the case? Calculus

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Explanation: The shape of a parabola is symmetric. Consequently the 'axis of symmetry' is in the middle. Hence its name. So if it is in the middle of the shape then it must be in the middle of the x-intercepts. …

Feb 12, 2016 · A "40% chance of rain" * doesn't * mean that it will rain for 40% of the time. It just means that similar conditions resulted in rainfall somewhere 40% of the time, and no rain the other 60% of …

Sep 30, 2017 · See this old spray.... Chemical reactions CONSERVE mass and charge absolutely. What does this mean? If I start with a 10*g mass of reactants from all sources, AT MOST I can get a 10*g …

Sep 24, 2016 · The third option. The first two merely tell you that it didn't cost much. However this does not mean it is a prudent buy as its low price may mean it is very expensive to run. However the third …

Starch has several properties that make it an excellent form of energy storage for plants. > Starch is insoluble. This has two consequences: (a) The starch granules do not move away from the storage …

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Q&A and Videos that make learning easy. Math, History, Chemistry, Algebra, Calculus, Biology and more.

S is a subring but not an ideal. Given: S = { m + nsqrt (-p) | m, n in ZZ } S contains the additive identity: 0 + 0sqrt (-p) = 0color (white) ( ( (1/1), (1/1))) S is ...