perla713
perla713
04-03-2014
Mathematics
contestada
Simplify (7-5i)(-3+9i)-(5+6i)^2
Respuesta :
Mecka123
Mecka123
04-03-2014
(-21 + 63i + 15i - 45i^2) - (25 + 60i + 36i^2) =
(-21 + 78i + 45) - (-11 + 60i) =
24 + 78i - 60i + 11 =
35 + 18i
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
In which 0.01 M solution is phenolphthalein pink? (1) CH3OH(aq) (3) CH3COOH(aq) (2) Ca(OH)2(aq) (4) HNO3(aq)
What is the total number of oxygen atoms in the formula MgSO4•7H2O? [The • represents seven units of H2O attached to one unit of MgSO4.] (1) 11 (3) 5 (2) 7 (4)
One good argument against forgiving Africa's debt would be because _____
solve for x: log6(x+29) - log6(x-6) = 2
how to find volume of a drawing of a piece of cake?
Use the Elimination method to solve the system of equations. X+y=-3 X-y=13
what is an oxyacid and how do I identify it?
Which form of energy is converted to thermal energy when propane burns in air? (1) electromagnetic (3) electrical (2) nuclear (4) chemical
Which physical changes are endothermic? (1) melting and freezing (2) melting and evaporating (3) condensation and sublimation (4) condensation and deposition
What is the mean absolute deviation of the following data set? 28, 32, 47, 16, 40, 35, 38, 54
