असमता (4(x+2)-3(x-5)\geq 20) का हल कौन सा है?
What is the solution of (4(x+2)-3(x-5)\geq 20)?
Explanation opens after your attempt
A. \(x\geq -3\)
Concept
Simplifying gives \(4x+8-3x+15\geq 20\), that is \(x+23\geq 20\). Therefore \(x\geq -3\).
Why this answer is correct
The correct answer is A. \(x\geq -3\). Simplifying gives \(4x+8-3x+15\geq 20\), that is \(x+23\geq 20\). Therefore \(x\geq -3\).
Exam Tip
सरलीकरण से \(4x+8-3x+15\geq 20\) यानी \(x+23\geq 20\) मिलता है। इसलिए \(x\geq -3\) है।
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