असमानता \(7\leq 2x+1<15\) का हल कौन सा है?
What is the solution of \(7\leq 2x+1<15\)?
Explanation opens after your attempt
A. \(3\leq x<7\)
Concept
Subtracting (1) throughout gives \(6\leq 2x<14\), then dividing by (2) gives \(3\leq x<7\). Work on both bounds together.
Why this answer is correct
The correct answer is A. \(3\leq x<7\). Subtracting (1) throughout gives \(6\leq 2x<14\), then dividing by (2) gives \(3\leq x<7\). Work on both bounds together.
Exam Tip
पूरे संयुक्त असमानता से (1) घटाकर \(6\leq 2x<14\) और फिर (2) से भाग देकर \(3\leq x<7\) मिलता है। दोनों सीमाओं पर साथ काम करें।
Login to save your score, XP, coins and progress.
