Question

Plz answer the first question

Answer 1

Answer:

k = 4/5

Step-by-step explanation:

5x + 2y = k , 2k + 2x + ky - 3k - 4 = 0

5x + 2y = k , 2k + 2x + ky - 3k - 4 = 05x + 2y - k = 0, -1k + 2x + ky - 4 = 0

5x + 2y = k , 2k + 2x + ky - 3k - 4 = 05x + 2y - k = 0, -1k + 2x + ky - 4 = 05x + 2y - k = 0, 2x + ky - 1k - 4 = 0

For infinity many solutions:

a1/a2 = b1/b2 = c1/c2

5/2 = 2/k = -1/-1

5k = 4

Ans: k = 4/5

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