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For the solving process below, I cannot understand why the distance equals to 4/7 - (-3/7) = 1 at the last step.
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Solved in 2 steps with 1 images
- Determine k such that kx^2 - 4x + 1/2 = 0 has real and different solutions.FIND ALL VALUES OF POSITIVE INTEGERS OF y IF THE EQUATION IS: y= 3^-^(2x2+...+X^)+3^-{(n-1)(2X₂+...+Xn-1). +...+ 3^-2(2x2)+3^-1 2x₁+...+xn--34 WHERE X19X₂3... Xngh ARE ALSO POSITIVE INTEGERS. 29What is the domain of v15aT - 3z'7 State your answers in interval notation.