यदि (4x+ay=36) का (y)-अवरोध (9) है, तो (a) क्या है?
If (4x+ay=36) has (y)-intercept (9), what is (a)?
Explanation opens after your attempt
C. (4)
Concept
Putting (x=0) gives (ay=36) and \(y=\frac{36}{a}\). From \(\frac{36}{a}=9\), (a=4).
Why this answer is correct
The correct answer is C. (4). Putting (x=0) gives (ay=36) and \(y=\frac{36}{a}\). From \(\frac{36}{a}=9\), (a=4).
Exam Tip
(x=0) रखने पर (ay=36) और \(y=\frac{36}{a}\) मिलता है। \(\frac{36}{a}=9\) से (a=4) है।
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