Mathematics, 19.01.2021 01:00 dinapearce1403
Find all of the roots of x6 ā 25x4 ā 625x2 + 15,625 = 0. (Hint: Rearrange the terms with a sum of cubes followed by the two other terms. Factor the sum of cubes and factor the GCF from the two other terms. Then factor by grouping.) The roots with multiplicity 2 are ___ and ___. The roots with multiplicity of 1 are ___ and ___.
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What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9
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1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.
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The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.
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Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
Answers: 3
Find all of the roots of x6 ā 25x4 ā 625x2 + 15,625 = 0. (Hint: Rearrange the terms with a sum of cu...
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