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(x+2y la puterea -2)³=
(a²b²-a la putera 5)³=
(2t+z²)³=
Va rog mult dau coroana si punctaj maxim.


Răspuns :

Sper ca te-am ajutat!!!!!!!!!!!!!
Vezi imaginea HAZALKAYA11
(a+b)³=a³+3a²b+3ab²+b³
(a-b)³=a³-3a²b+3ab²-b³

(x+2y⁻²)³=(x+2/y²)³=x³+6x²/y²+12x/y⁴+8/y⁶
y⁻²=1/y²

(a²b²-a⁵)³=[a²(b²-a³)]³=a⁶(b⁶-3b⁴a³+3b²a⁶-a¹⁵)=a⁶b⁶-3b⁴a⁹+3b²a¹²-a²¹)

(2t+z²)³=8t³+6t²z²+6tz⁴+z⁶