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The voltage in an electric circuit are related by following equations : V1+V2+V3=9;V1−V2+V3=1findV1,V2andV3byusingcramer′srule.
1 Answer
written 5.6 years ago by |
Solution:
D=|1111−1111−1|
=1(1-1)-1(-1-1)+1(1+1)= 4
DV1=|9113−1111−1|
= 9(1-1)-1(-3-1)+1(3+1) = 8
V1=DV1D=84=2
DV2=|19113111−1|
= 1(-3-1)-9(-1-1)+1(1-3) = 12
V2=DV2D=124=3
DV3=|1191−1311−1|
V3=DV3D=164=4