यदि ( ax+7<1 ) का हल (x>3) है, तो (a) का मान क्या होगा?
If the solution of ( ax+7<1 ) is (x>3), what is the value of (a)?
Explanation opens after your attempt
D. (-2)
Concept
From (ax<-6), (x>3) occurs only when (a) is negative. Using \(\frac{-6}{a}=3\), we get (a=-2).
Why this answer is correct
The correct answer is D. (-2). From (ax<-6), (x>3) occurs only when (a) is negative. Using \(\frac{-6}{a}=3\), we get (a=-2).
Exam Tip
(ax<-6) से (x>3) तभी मिलेगा जब (a) ऋणात्मक हो। \(\frac{-6}{a}=3\) से (a=-2) मिलता है।
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