Question

Fir what calue of k the pair of linear equations 2x - 3y +7 and 4x -ky-14=0

Answer 1

Answer:

Step :-1

let ,

x - 2y = 3 ------->> 1

3x + ky = 1 ------->> 2

Step :- 2

Compare equation (1) with  and equation (2) with

Where ,

Since ,

Equation has infinitely many Solutions

⇒ k ≠ -6

Therefore , for all values of k expect -6 the system x-2y = 3 , 3x + ky = 1 has a unique Solution

↓↓↓↓

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Step-by-step explanation: