Question

Find the value of k for which each of the following system of linear equations has an infinite number of solutions:

2x + 3y = 7, (k - 1)X + (k + 2)y = 3k.​

Answer 1

Answer:

The answer is 7.

Step-by-step explanation:

For infinite solution,

a1/a2 = b1/b2 = c1/c2

if k=1

a1/a2 = 2/0 which is not defined

We will continue the method till we reach answer

if k= 7

a2= 7-1 = 6

b2 = 7+2 =9

c2 = 3*7=21

a1/a2 = b1/b2 = c1/c2 = 1/3

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Answer 2

Answer:

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