Math, asked by uniqueeoa, 1 year ago

Find the value of a and b for which the following system of linear equations has no number of solutions 2x+3y=7 ; 2ax +(a+b) y = 28

Answers

Answered by sibhiamar
5
if two pair of equations has no solution then
a1/a2=b1/b2=c1/c2
then 2/2a=3/(a+b)=7/28
1/a=3/(a+b)=1/4
so 1/a=1/4
a=4
1/a=3/(a+b)
a+b=3a
4+b=3*4 (a=4 already found out)
b=12-4
b=8
value of a=4 and b=8
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