असमानता \(-3\le \frac{2x-5}{4}<1\) का हल क्या है?
What is the solution of \(-3\le \frac{2x-5}{4}<1\)?
Explanation opens after your attempt
A. \(-\frac{7}{2}\le x<\frac{9}{2}\)
Concept
Multiplying by positive (4) gives \(-12\le2x-5<4\). Hence \(-\frac{7}{2}\le x<\frac{9}{2}\).
Why this answer is correct
The correct answer is A. \(-\frac{7}{2}\le x<\frac{9}{2}\). Multiplying by positive (4) gives \(-12\le2x-5<4\). Hence \(-\frac{7}{2}\le x<\frac{9}{2}\).
Exam Tip
धनात्मक (4) से गुणा करने पर \(-12\le2x-5<4\) मिलता है। इससे \(-\frac{7}{2}\le x<\frac{9}{2}\)।
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