find the value of a for which the equation 2x = ay = 5 has (1 , -1) as a solution. Find two more solutions for the equation obtained.
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given the eqn 2x-ay=5 passes through the pt
(1,-1)
so
2×1-a×(-1)=5
2-a=5
a=-3
so. the reqd. eqn. is
2x+3y=5
(1,-1)
so
2×1-a×(-1)=5
2-a=5
a=-3
so. the reqd. eqn. is
2x+3y=5
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