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ALGEBRA ALGEBRA a2 2ab 2(a2 +62) 2b2 4ab *********** ) – =5 6x=1 + x x + 2 x-2(x+3) X X-3 x +3(x - 1) (x + 2)(-2 (x) (- ) a+ b2 - 2ab 2a + 2b24b a a + b 2b 2a + a 2b За 2b x² - 4 x2 - 4x +3 sx? X-Y x + y 1 13. 15. - 16x15 1- x16 ? x + y X-Y , 1-X 1+x8 4y2 X-Y =? x2 - y2) 2y (2) 2 (4)4 1, 2x 4x3 1+x 1+ x2 1 + x4 (2)-1 (4) - 2 (1)-2 (3) 0 (1) 0 (3) 1 Sol. (1) [(x - y)2-(x + y)2 Sol. (1) (x + y)(x - y) 4y2 x-y X x2 - y2 2y 1 4x3 1 2x 8x? 1 + x 1 + x2 1 + x4 1+ x8 1- x16 16x15 1-X +y - x2 + y2 – 2xy + x2 - y2 - 2xy x² - y² X -L 4y2 )x-y x2 - y2) 2y 1+x-1+x 2x 4x3 8x7 16x15 (1 + x) (1 - x) 1+ x2 1 + x4 1+ 48 1- x16 X-y 16x15 -4xy 4y2 x2 - y2 x2 - y2y 2x 2x 4x3 8x7 1- x2 1 + x2 1 + x4 1+x8 1- x16 16x15 -4xy – 4y2- -4y(x + y) X-Y X = -2 x2 -Y 2y (x - y)(x + y) 2y 2x1 + x^2-2x(1-x2) 4x3 8x? (1 - x^)(1+x2) 1+x4 1+ x8 1- x16 = 14. *?+3x+2, *2-x-2 2x + 2x3 - 2x + 2x3 1 - x4 16x15 x2 + x-2 = ? 4x3 8x7 1+x4 1 + x8 1- x16 x ...
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