CBSE Class 10 Answered
Plz solve dis pair of equation
Asked by akshitajain | 21 Mar, 2009, 09:24: PM
Expert Answer
Given set:
ax+by=c ..(1)
bx+ay=1+c ..(2)
Adding (1) and (2),
x+y=1/(a+b) (2c+1) ...(3)
Subtracting (1) from (2),
x-y=1/(b-a) ...(4)
adding 3 and 4,
x=1/2((2c+1)/(a+b)+(1/b-a))
Subtracting (3) and (4)
y=1/2((2c+1)/(a+b))-(1/(b-a)))
Answered by | 28 Mar, 2009, 03:01: PM
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