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13 votes
HELLP PLZ SOMEONE HELLP MEEEE

HELLP PLZ SOMEONE HELLP MEEEE-example-1
User Angga
by
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1 Answer

1 vote

Answer:

The answer is "
x_k= -(9)/(16) (-2)^k + (9)/(16) 2^k +(3)/(8) k* 2^k\\\\"

Explanation:


\to F(Z)=(3z(z-1))/(z^3-2z^2-4z+8)\\\\\to (F(Z))/(z)=(3z(z-1))/(z(z^3-2z^2-4z+8))\\\\\to (F(Z))/(z)=(3(z-1))/((z^3-2z^2-4z+8))\\\\\to (F(Z))/(z)=-(9)/(16) (1)/(z+2) + (9)/(16) (1)/(z-2) +(3)/(4) (1)/((z-2)^2)\\\\\to F(Z)=-(9)/(16) (z)/(z+2) + (9)/(16) (z)/(z-2) +(3)/(4) (z)/((z-2)^2)\\\\\to x_k= -(9)/(16) (-2)^k + (9)/(16) 2^k +(3)/(8) k* 2^k\\\\

User Kevin McKelvin
by
7.8k points

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