1) 2a^2
2) 3x^2
3)3m^5
4)3b^2
5)2x^3
6)2a^2 + 2b^3
7) 3x^2 / 2x^3
1)
1.(x+2)*3(x-1)/(x-1)²(x-2)(x+2)=3/(x-1)<span>(x-2)
2.3-3(x-1)</span>/(x-1)(x-2)= -3/<span>(x-1)=7,5
2)
1.y(y-3)/(y-3)</span>² - 3y(y+3)/(y-3)<span>(y+3)=y/(y-3) - 3/(y-3)= (y-3)/(y-3)=1
2. 1 * ( 1 - 3/y)= y-3/y= 11/6</span>
(а⁵-а³) а³(а²-1) а³(а-1)(а+1) а-1
---------- = -------------- = ------------------- = --------
(а⁵+а⁶) а⁵(1+а) а⁵(1+а) а²
Х²+4х-2 <(x+3)(x-3)
x²+4x-2<x²-9
4x< -7
x< -1 3/4
x< -2 (C)