Question

The pair of equations 3x + 4y = 18 and 3x + 4y = 17 has

Answer 1

Answer:

let a1=3,a2=4,c1= -18

and a2=3,b2=4,c2= -17 we observe that,

a1/a2=b1/b2 is not equal to c1/c2

i.e. 3/3=4/4 is not equal to 18/17

So the given pair of equations has no solution.

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Answer 2

Answer:

No solution

Explanation:

3x + 4y = 18

3x + 4y = 17

A1/A2 = 3/3 = 1

B1/B2 = 4/4 = 1

C1/C2 = 18/17

so A1/A2 is equal to B1/B2 but not equal to C1/C2

hence the equations have no solution

they will form inconsistent solution and the lines are parallel

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