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If the straight lines x+y-2=0,2x-y+1=0 a...

If the straight lines `x+y-2=0,2x-y+1=0` and `a x+b y-c=0` are concurrent, then the family of lines `2a x+3b y+c=0(a , b , c` are nonzero) is concurrent at (a) `(2,3)` (b) `(1/2,1/3)` (c) `(-1/6,-5/9)` (d) `(2/3,-7/5)`

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
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  2. Given A(0,0) and B(x,y) with xin(0,1) and y>0. Let the slope of line A...

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  3. If the straight lines x+y-2=0,2x-y+1=0 and a x+b y-c=0 are concurrent,...

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  8. If u=a1x+b1y+c1=0,v=a2x+b2y+c2=0, and (a1)/(a2)=(b1)/(b2)=(c1)/(c2), ...

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