1.

The straight lines \[x+2y-9=0,\,\,\,3x+5y-5=0\] and \[ax+by=1\] are concurrent if the straight line \[35x-22y+1=0\] passes through:

A. (a, b) (b)
B. (b, a)
C. (a, -b) (d)
D. (-a, b)
Answer» B. (b, a)


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