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{:(2x - 3y = 1),(kx + 5y = 7):}...

`{:(2x - 3y = 1),(kx + 5y = 7):}`

Text Solution

Verified by Experts

The correct Answer is:
`k ne - (10)/(3)`
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For what value of K, the pair of equations 2x - 3y = 1 and kx + 5y = 7 has a unique solution?

2x + 5y = 1 , 2x + 3y = 3 .

The value of k for which the system of equations 2x - 3y =1 and kx + 5y = 7 have a unique solution, is

{:(2x + 3y = 7),((a - 1)x +(a +2)y = 3a):}

8x + 5y = 9 , kx + 10 y = 15 .