expand direccion(1,-1)

פתרון

expand

d i recc i o n (1, - 1)

1 i e in d rcco, - 1 i e in d rcco

צעדי פתרון

d i recc i o n (1, - 1)

= i e i (1, - 1) n d rcco

a (b - c) = ab - a c

: פתח סוגריים בעזרת

a = d i recc i o n, b = 1,, c = 1

= d i recc i o n \cdot 1, - d i recc i o n \cdot 1

= 1 i e in d rcco, - 1 i e in d rcco

e x p an d 1

e x p an d \frac{1}{z ^{2} ( z ^{2} + 4 )}

e x p an d \frac{100 ( ( 4 x + 1 ) )}{4 x + 5} - 80

e x p an d \frac{x ( x - 4 )}{( x - 1 ) ( x + 1 )}

e x p an d e^{3 x} + 3^{- 3 x}