यदि (x) वास्तविक है तो (-4x-1<7) का हल कौन सा है?
If (x) is real, what is the solution of (-4x-1<7)?
Explanation opens after your attempt
A. (x>-2)
Concept
From (-4x<8), we get (x>-2). Dividing by negative (-4) reverses the sign.
Why this answer is correct
The correct answer is A. (x>-2). From (-4x<8), we get (x>-2). Dividing by negative (-4) reverses the sign.
Exam Tip
(-4x<8) से (x>-2) मिलता है। ऋणात्मक (-4) से भाग देने पर चिन्ह पलटता है।
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