Find the values of a and b for which the following system has infinitely many solutions 2x +3y =7,2ax + ay
= 28-by
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Rearrange the second equation
2ax+y(a+b)=28
Then,2/2a=3/a+b=-7/-28
1/a=3/a+b=1/4
1/a=1/4 & 3/a+b=1/4
a=4
Substitute a value
3/4+b=1/4
b=8
2ax+y(a+b)=28
Then,2/2a=3/a+b=-7/-28
1/a=3/a+b=1/4
1/a=1/4 & 3/a+b=1/4
a=4
Substitute a value
3/4+b=1/4
b=8
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