5^-1 + 6^-1
= 40*(x + 3*x^2 + x^3) + 51*(x + x^2) + 14*x
(-a)^-6
y= $\frac{ax}{bx-c}$ make x the subject
y= $\frac{ax}{bx-c}$ make X the subject
y= $\frac{ax}{bx-c}$
-5(2x+3)+4(3x-1)=6x-8
80*n^3 - 102*n^2 + 28*n
factorize
lim
(
𝑥
,
𝑦
)
→
1
0
sin
𝑒
−
(x,y)→(1,0)
xy
sinx(e
y
−1)
-10x-15+12x-4=6x-8
