असमानता \(\frac{2x+1}{5}>3\) का सही हल कौन सा है?
What is the correct solution of \(\frac{2x+1}{5}>3\)?
Explanation opens after your attempt
A. (x>7)
Concept
Multiplying by positive (5) gives (2x+1>15), so (2x>14) and (x>7). A positive denominator does not change the sign.
Why this answer is correct
The correct answer is A. (x>7). Multiplying by positive (5) gives (2x+1>15), so (2x>14) and (x>7). A positive denominator does not change the sign.
Exam Tip
धनात्मक (5) से गुणा करने पर (2x+1>15), इसलिए (2x>14) और (x>7) मिलता है। धनात्मक हर से चिन्ह नहीं बदलता।
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