for what value of k, the following pair of linear equations has infinite no.of solution
2x+(x-2)y=k ; 6x + (2k-1)y =2k +5
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•a1=2,b1=x-2,c1=-k
•a2=6,b2=2k-1,c2=-(2k+5)
•If the equation has infinite number of solutions, then,
•a1/a2=b1/b2=c1/c2.
•2/6=x-2/2k-1=-k/-(2k+5)
•2(2k-1)=6(x-2)
•4k-2=6x-12.
•4k-6k=-12+2
•-2k=-10
•k=5.
Hope it helps u..
•a2=6,b2=2k-1,c2=-(2k+5)
•If the equation has infinite number of solutions, then,
•a1/a2=b1/b2=c1/c2.
•2/6=x-2/2k-1=-k/-(2k+5)
•2(2k-1)=6(x-2)
•4k-2=6x-12.
•4k-6k=-12+2
•-2k=-10
•k=5.
Hope it helps u..
janu102:
didi thnks alot can u please clear my doubts
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