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Maths Group11
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5 111
What are the values of a ànd k respectively so that x - 2 is a factor of f(x) = x⁴ - 2ax³ + ax² - x + k and f(-1) = 3 ?
5 111
If x - 2 is a factor of f(x) = 3x⁴ - 8x² - kx + 6, then which of the following is equal to the value of k ?
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What is the value of x in the sequence -1, 0, 2, 6, x, 30, 62, ...?
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Which one of the following is the sum of all even natural numbers less than 99?
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What is the possible value of t in the sequence 100, 98, 94, 86, t, 38, . . . ?
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What is the common difference in the arithmetic sequence: 1, 4, 7, 10, ........?
5 111
What is the core electron configuration of calcium (Ca) metal? Z = 20.
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What is the electron configuration for magnesium(Mg) metal? Z = 12
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In Niels Bohr's model of the atom, electrons are said to occupy specific energy levels or orbits around the nucleus. What is the primary feature of these orbits?
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Which one of the following radioactive radiation consists of high-energy rays?
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The charge of electron was determined by using the oil drop experiment. It was determined by:
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After rounding the number 234.165 to 2d.p, then the result is equal to:
