Problem

b) Decide if the following system of e uations has zero, one or infinite solution(s). (3 Marks)
x+4y+2=02x+3y+2=0
4y=x2

Answer

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Answer

x=0.4,y=0.4

Steps

Step 1 :4y=x2

Step 2 :A=[1423]

Step 3 :det=5

Step 4 :A1=1det[3421]

Step 5 :B=[22]

Step 6 :X=A1B=[0.40.4]

Step 7 :x=0.4,y=0.4

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