Question

15 How many solution are there for the following pair of equations?
9x + 4y = 9,
18x + 8y = 17​

Answer 1

here a1/a2 = 9/18 = 1/2

b1/b2 = 4/8 = 1/2

c1/c2 = 9/17

:. a1/a2 = b1/b2 ≠ c1/c2

:. they are inconsistent lines (or) parallel lines

:. they no solution

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