x+2y-3z = -3 2x-5y + 4z=13 5x+4y=z=5 in Linear equations
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Answer:
0
Step-by-step explanation:
Consider
3x+4y+5z=6 ...(i)
2x+3y+4z=5 ...(ii)
x+2y+3z=4 ...(iii)
Therefore,
∣345|
∣234|
∣123|=3(9−8)−4(6−4)+5(4−3)
=3+5−(4×2)
=8−8
=0
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