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Question 2 (i)
Do the following equations represent a pair of coincident lines? Justify your answer.

3x+17y=3 and 7x+3y=7

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Solution

a1a2=b1b2=c1c2
No, given pair of linear equations
3x+y73=0
and 7x + 3y – 7 = 0
where a1=3, b1=17, c1=3a2=7, b2=3, c2=7now, a1a2=37,b1b2=121,c1c2=37
hence, the given pair linear equations has unique solution


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