find the value of K , if line represented by the equation 2x-ky=9 passes through the point (-2,-1)
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The given equation passes through the given point,
2x-ky=9
The given equation passes through the point (-1,-1).
⇒ 2(-1) - k(-1) = 9
⇒ -2+k=9
⇒k=9+2
⇒k=11.
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answer of your question is 11
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