संयुक्त असमानता \(-2<\frac{5-x}{3}\leq 4\) का हल कौन सा है?
Which is the solution of the compound inequality \(-2<\frac{5-x}{3}\leq 4\)?
Explanation opens after your attempt
A. \(-7\leq x<11\)
Concept
After multiplying by positive (3), we get \(-6<5-x\leq 12\), then the direction changes because of the negative part. The correct solution is \(-7\leq x<11\).
Why this answer is correct
The correct answer is A. \(-7\leq x<11\). After multiplying by positive (3), we get \(-6<5-x\leq 12\), then the direction changes because of the negative part. The correct solution is \(-7\leq x<11\).
Exam Tip
धनात्मक (3) से गुणा करने के बाद \(-6<5-x\leq 12\) मिलता है, फिर ऋणात्मक भाग के कारण दिशा बदलती है। सही हल \(-7\leq x<11\) है।
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