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Which of the following is the simplified expression of
x2−3x+2x2−x−6×x2−4x+3x2−4? \frac{x^2 - 3x + 2}{x^2 - x - 6} \times \frac{x^2 - 4x + 3}{x^2 - 4}? x2−x−6x2−3x+2×x2−4x2−4x+3?
Simplify
1x(x+2)+1(x+2)(x+4)+1(x+4)(x+6)+1(x+6)(x+8). \frac{1}{x (x+2)} + \frac{1}{(x+2) (x+4)} + \frac{1}{(x+4) (x+6)} + \frac{1}{(x+6) (x+8)}. x(x+2)1+(x+2)(x+4)1+(x+4)(x+6)1+(x+6)(x+8)1.
1−11−11−x. 1 - \frac{1}{1 - \dfrac{1}{1-x}}. 1−1−1−x11.
If real numbers xxx and yyy satisfy x3+y3x3−y3=79, \frac{x^3+y^3}{x^3-y^3} = \frac{7}{9}, x3−y3x3+y3=97, what is the value of x+yx−y? \frac{x+y}{x-y}?x−yx+y?
2rr2−s2+1r+s−1r−s? \frac{2r}{r^2 - s^2} + \frac{1}{r+s} - \frac{1}{r-s} ? r2−s22r+r+s1−r−s1?
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