7х+45х=24:12
52х=2
х= 52:2
х= 26
M(x-2)-a(2-x)=m(x-2)+a(x-2)= (x-2)(m+a)
2(7x-3y)-a(7x-3y)=(7x-3y)(2-a)
Решение
<span>Y=x^2+cosx в точке x0=П/2
y` = 2x - sinx
y`(</span><span>π/2) = 2*(π/2) - sin(π/2) = π - 1</span>
<span>(с² – b)²– (с²- 1)(с² + 1) + 2bс²=с⁴-2bc²+b²-c⁴+1+2bc²=b²+1</span>