असमानता (-2x<8) का सही हल कौन सा है?
Which is the correct solution of (-2x<8)?
Explanation opens after your attempt
B. (x> -4)
Concept
Dividing by (-2) reverses the sign, so (x>-4). Do not forget sign reversal in negative division.
Why this answer is correct
The correct answer is B. (x> -4). Dividing by (-2) reverses the sign, so (x>-4). Do not forget sign reversal in negative division.
Exam Tip
दोनों ओर (-2) से भाग देने पर चिह्न पलटेगा इसलिए (x>-4)। ऋणात्मक भाग में दिशा बदलना न भूलें।
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