असमानता \(-2\leq \frac{3x+1}{4}<7\) का हल क्या है?
What is the solution of \(-2\leq \frac{3x+1}{4}<7\)?
Explanation opens after your attempt
C. \(-3\leq x<9\)
Concept
Multiplying by (4) gives \(-8\leq 3x+1<28\). Subtracting (1) and dividing by (3) gives \(-3\leq x<9\).
Why this answer is correct
The correct answer is C. \(-3\leq x<9\). Multiplying by (4) gives \(-8\leq 3x+1<28\). Subtracting (1) and dividing by (3) gives \(-3\leq x<9\).
Exam Tip
(4) से गुणा करने पर \(-8\leq 3x+1<28\) मिलता है। फिर (1) घटाकर और (3) से भाग देकर \(-3\leq x<9\) मिलता है।
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