Áp dụng định lý Vi-et cho phương trình x^2-2x=0 để tìm tổng và tích các nghiệm.

4x + 4∆x - x2 - 2x∆x - (∆x)2 - 4x + x2. ∆x. = 4∆x - 2x∆x - (∆x)2 ... So f/(x) > 0 when 2 > x, or x < 2. Similarly, f/(x) < 0 when x > 2. 8. What ... Page 12. But by. Hence). (xx) we get dvo. I doo). Bar (4). B_(x). B₁₂(x) den. ラ and this. BG) f(x) = 0. حا. مر. سرل. اداری. B(x). (2x-2)/2x. ->. }> a. l. xem. 0 < √2 − y. 2x0. = z2(x2 − 2). 2x0 (2x0+1/2 + y). < z2(x2. 0 + x0). 22x0−3 ... Luca, On the diophantine equation 2x = x2 +y2 −2, Funct. Approx. Comment ... Sep 24, 2008 ... ... retta х2+у2-2х=0 un'unica intersezione. { x²+y²-2x=0. Ly=mc. J. = m (x-3)+1 di avere x² + [m (x-3)+1]² -2x=0 x² + m² (x-3)² +1 +2m (x-3) -2x=0. Solving the Equation. To find the value of x in the equation: 4x² + 22x = 0. we can factor out the common term. Step 1: Factor the Equation. ... 2x + 2)² = (y +2x₂-2)² (=. (y-2x+2-y-2x +2). Yo-2x₂+2 + Yot2x-2)=0. (7-4(x-1)24-07. Yo=0. 1 dixorden 1. Хо=1 бехатонит 2. Y. 1x=/ біхотоны 2 y=2x-2. UNI. PAP. 0 2+x. 1+2x 2+2x. 1 x. 1+x. 2x. 2. 2x. 0. 2x x. 1. 1+2x. 1+x. 2. 2+2x. 2+x. 1+2x 0 1+2x ... 2+2x 0 2+2x. 1+x. 1+2x x. 2. 2+x. 1. 2x. Table 2: Multiplication in Z3 ... May 1, 2017 ... x²-2x=0 => x о. 1 x=2. 2. Page 7. 8.) (17 marks). Let f(x)=x³-3x²-4 ... X 2 = 0 in c c) Find the x and y coordinates of the relative extrema ... x 2x + 2 2x. 3 + 2x2. 2x. = 66. 50 = 74. a2 = 67. 3 12 = 75. a3 = 68. 54. 3. = 76 ... ( )= 0 and thus, x = 3 or x = −2. Note: there must be a zero on one ... Solution: We check for the critical points in the interior fx = 2x, fy = 2(y +1) =⇒ (0,−1) is a critical point . The second derivative test fxx = 2,fyy = 2,fxy ...