असमानता (-4x-1<11) का अंतराल रूप कौन सा है?
Which is the interval form of (-4x-1<11)?
Explanation opens after your attempt
B. (\(-3,\infty\))
Concept
From (-4x<12), we get (x>-3). Dividing by a negative number reverses the open sign.
Why this answer is correct
The correct answer is B. (\(-3,\infty\)). From (-4x<12), we get (x>-3). Dividing by a negative number reverses the open sign.
Exam Tip
(-4x<12) से (x>-3) मिलता है। ऋणात्मक से भाग देने पर खुला चिन्ह उलट जाता है।
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