किस (a) के लिए असमानता (ax+4>2x+a) का हल (x>3) है?

For what (a) does the inequality (ax+4>2x+a) have solution (x>3)?

Explanation opens after your attempt
Correct Answer

C. (a=3)

Step 1

Concept

We get ((a-2)x>a-4); for (x>3), \(\frac{a-4}{a-2}=3\) and (a-2>0) are needed. This gives (a=1), which violates the direction condition, so no option is correct.

Step 2

Why this answer is correct

The correct answer is C. (a=3). We get ((a-2)x>a-4); for (x>3), \(\frac{a-4}{a-2}=3\) and (a-2>0) are needed. This gives (a=1), which violates the direction condition, so no option is correct.

Step 3

Exam Tip

((a-2)x>a-4) है और (x>3) पाने के लिए \(\frac{a-4}{a-2}=3\) तथा (a-2>0) चाहिए। इससे (a=1) आता है, पर दिशा शर्त टूटती है, इसलिए कोई विकल्प सही नहीं।

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Mathematics Answer, Explanation and Revision Hints

किस (a) के लिए असमानता (ax+4>2x+a) का हल (x>3) है? / For what (a) does the inequality (ax+4>2x+a) have solution (x>3)?

Correct Answer: C. (a=3). Explanation: ((a-2)x>a-4) है और (x>3) पाने के लिए \(\frac{a-4}{a-2}=3\) तथा (a-2>0) चाहिए। इससे (a=1) आता है, पर दिशा शर्त टूटती है, इसलिए कोई विकल्प सही नहीं। / We get ((a-2)x>a-4); for (x>3), \(\frac{a-4}{a-2}=3\) and (a-2>0) are needed. This gives (a=1), which violates the direction condition, so no option is correct.

Which concept should I revise for this Mathematics MCQ?

We get ((a-2)x>a-4); for (x>3), \(\frac{a-4}{a-2}=3\) and (a-2>0) are needed. This gives (a=1), which violates the direction condition, so no option is correct.

What exam hint can help solve this Mathematics question?

((a-2)x>a-4) है और (x>3) पाने के लिए \(\frac{a-4}{a-2}=3\) तथा (a-2>0) चाहिए। इससे (a=1) आता है, पर दिशा शर्त टूटती है, इसलिए कोई विकल्प सही नहीं।