विद्यार्थी ने \( -2x\geq10\) से \(x\geq-5\) लिखा। सही हल क्या है?

A student wrote \(x\geq-5\) from \(-2x\geq10\). What is the correct solution?

Explanation opens after your attempt
Correct Answer

A. \(x\leq-5\)

Step 1

Concept

Dividing by (-2) reverses the sign to \(x\leq-5\). The mistake was not reversing the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\leq-5\). Dividing by (-2) reverses the sign to \(x\leq-5\). The mistake was not reversing the sign.

Step 3

Exam Tip

(-2) से भाग देने पर चिन्ह बदलकर \(x\leq-5\) होता है। गलती यह थी कि चिन्ह नहीं पलटा गया।

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Mathematics Answer, Explanation and Revision Hints

विद्यार्थी ने \( -2x\geq10\) से \(x\geq-5\) लिखा। सही हल क्या है? / A student wrote \(x\geq-5\) from \(-2x\geq10\). What is the correct solution?

Correct Answer: A. \(x\leq-5\). Explanation: (-2) से भाग देने पर चिन्ह बदलकर \(x\leq-5\) होता है। गलती यह थी कि चिन्ह नहीं पलटा गया। / Dividing by (-2) reverses the sign to \(x\leq-5\). The mistake was not reversing the sign.

Which concept should I revise for this Mathematics MCQ?

Dividing by (-2) reverses the sign to \(x\leq-5\). The mistake was not reversing the sign.

What exam hint can help solve this Mathematics question?

(-2) से भाग देने पर चिन्ह बदलकर \(x\leq-5\) होता है। गलती यह थी कि चिन्ह नहीं पलटा गया।