for what value of a and b the linear equation(a+b)x-2by=5a+2b+1 and 3x-y=14 has infinite many number of solution
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(a+b)x-2by-(5a+2b+1)=0
3x-y-14=0
For infinitely many solutions,
a+b/3 = -2b/1 = -(5a+2b+1)/-14
Solving, we get
a=5, b=1
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XtaticAnupam:
abhinav, please post this question again, not in the comments. As i cannot attach the picture of the sum here. Father's age is 40 and sons is 10 years though
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