The three phase voltage, current, and instantaneous power of a three phase power supply are definedas:va(t) =√2Vsin(ωt)ia(t) =√2Isin(ωt+θ)pa(t) =va(t)ia(t)vb(t) =√2Vsin(ωt−2π/3)ib(t) =√2Isin(ωt−2π/3 +θ)pb(t) =vb(t)ib(t)vc(t) =√2Vsin(ωt+ 2π/3)ic(t) =√2Isin(ωt+ 2π/3 +θ)pc(t) =vc(t)ic(t)a) Derive the equationpa(t) +pb(t) +pc(t) = 3V Ico

2/3x + 7 = 29

step-by-step explanation:

two thirds = 2/3

plus a number = x

at least 29 = 29

there for you should get 2/3x + 7 = 29

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

ljn

step-by-step explanation:

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