असमीका \(\frac{x+9}{-3}<2\) का समाधान समुच्चय चुनिए।
Choose the solution set of \(\frac{x+9}{-3}<2\).
Explanation opens after your attempt
D. (x>-15)
Concept
Multiplying by (-3) reverses the inequality sign and gives (x+9>-6). Hence (x>-15).
Why this answer is correct
The correct answer is D. (x>-15). Multiplying by (-3) reverses the inequality sign and gives (x+9>-6). Hence (x>-15).
Exam Tip
(-3) से गुणा करने पर असमीका का चिन्ह पलटता है और (x+9>-6) मिलता है। इसलिए (x>-15)।
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