solve the equation using cramers rule 4X+3y=5
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Answer:
3x – 4y = 10
4x + 3y = 5
D=|3−443|=3×3−(−4)×4=9+16=25
Dx=|10−453|=10×3−(−4)×5=30+20=50
Dy=|31045|=3×5−10×4=15−40=−25
x=DxD=5025=2
y=DyD=−2525=−1
(x,y)=(2,−1)
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