असमानता (-x+9>1) का हल क्या है?
What is the solution of the inequality (-x+9>1)?
Explanation opens after your attempt
A. (x<8)
Concept
Subtracting (9) gives (-x>-8), so dividing by (-1) gives (x<8). Reverse the sign when changing (-x) to (x).
Why this answer is correct
The correct answer is A. (x<8). Subtracting (9) gives (-x>-8), so dividing by (-1) gives (x<8). Reverse the sign when changing (-x) to (x).
Exam Tip
(9) घटाने पर (-x>-8), इसलिए (-1) से भाग देने पर (x<8)। (-x) को (x) बनाते समय चिह्न पलटें।
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