असमानता \(2x+ay \le 12\) की सीमा रेखा ((0,3)) से गुजरती है तो (a) का मान क्या होगा?
If the boundary line of \(2x+ay \le 12\) passes through ((0,3)), what is the value of (a)?
Explanation opens after your attempt
C. (4)
Concept
The boundary line is (2x+ay=12), and substituting ((0,3)) gives (3a=12), so (a=4). Put a boundary point in the equality.
Why this answer is correct
The correct answer is C. (4). The boundary line is (2x+ay=12), and substituting ((0,3)) gives (3a=12), so (a=4). Put a boundary point in the equality.
Exam Tip
सीमा रेखा (2x+ay=12) है और ((0,3)) रखने पर (3a=12), इसलिए (a=4)। सीमा पर दिए बिंदु को समानता में रखें।
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