Question

The pair of linear equation if a1/a2=b1/b2=c1/c2 then the sytstem will be

Answer 1

Coincident.

Infinitely many solutions.

Answer 2

SOLUTION

TO DETERMINE

For the given two linear equations

$\displaystyle \sf{ a_1x+b_1y+c_1=0 \: and \: \: a_2x+b_2y+c_2=0}$ if $\displaystyle \sf{ \: \frac{a_1}{a_2} = \frac{b_1}{b_2} = \: \frac{c_1}{c_2}}$

Consistent :

One of the Below two condition is satisfied

1. Unique solution :

$\displaystyle \sf{ \: \frac{a_1}{a_2} \ne \frac{b_1}{b_2} }$

2. Infinite number of solutions :

$\displaystyle \sf{ \: \frac{a_1}{a_2} = \frac{b_1}{b_2} = \: \frac{c_1}{c_2}}$

Inconsistent :

No solution :

$\displaystyle \sf{ \: \frac{a_1}{a_2} = \frac{b_1}{b_2} \ne \: \frac{c_1}{c_2}}$

For example the system of equations 2x + 3y = 6 & 4x + 6y = 12 has infinite number of solutions

FINAL ANSWER

Hence there are infinite number of solutions

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