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प्रश्न
The value of k for which the system of linear equations x + 2y = 3, 5x + ky + 7 = 0 is inconsistent is ______.
पर्याय
`- 14/3`
`2/5`
5
10
MCQ
रिकाम्या जागा भरा
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उत्तर
The value of k for which the system of linear equations x + 2y = 3, 5x + ky + 7 = 0 is inconsistent is 10.
Explanation:
x + 2y – 3 = 0
And 5x + ky + 7 = 0
If system is inconsistent, then
`a_1/a_2 = b_1/b_2 ≠ c_1/c_2`
Taking first two orders, we have
`1/5 = 2/k`
⇒ k = 10
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