Cho số thực k ∈ R, hãy viết số phức sau dưới dạng nhị thức
z=(1+ki)/{2k+(k^2-1)i}
....
Mathematics, 22.07.2021 17:20 maro1488
Cho số thực k ∈ R, hãy viết số phức sau dưới dạng nhị thức
z=(1+ki)/{2k+(k^2-1)i}
.
Answers: 2
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Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no
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Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.
Answers: 2
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△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
Answers: 1
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