the equations ax + 9y = 1 and 9y - x -1 = 0 represent the same line if a =
(a) 1
(b) -1
(c) 9
(d) none of these
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it's option b as the value of a is -1
put this value in the above equation ax+9y=1
9y-x=1
9y-x-1=0
Hope you understood the answer,If so mark me!!!!
put this value in the above equation ax+9y=1
9y-x=1
9y-x-1=0
Hope you understood the answer,If so mark me!!!!
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