solve equation using cramers rule
x+y+z=6
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Answered by
0
Answer:
Step-by-step explanation:
Δ=
∣
∣
∣
∣
∣
∣
∣
∣
1
1
3
1
−1
2
1
1
−4
∣
∣
∣
∣
∣
∣
∣
∣
=1(4−2)−1(−4−3)+1(3+2)=14
Δ
x
=
∣
∣
∣
∣
∣
∣
∣
∣
6
2
−5
1
−1
2
1
1
−4
∣
∣
∣
∣
∣
∣
∣
∣
=6(4−2)−1(−8+5)+1(4−5)=14
Hence by cramer rule,
x=
Δ
Δ
x
=1
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