Expert Mathematics Quadratic Equations Class 10 Level 32

(x-2-(a+6)x+6a=0) के लिए कौन-सा कथन हमेशा सत्य है?

Which statement is always true for (x-2-(a+6)x+6a=0)?

Explanation opens after your attempt
Correct Answer

B. (6) हमेशा जड़ है(6) is always a root

Step 1

Concept

Putting (x=6) gives (36-6(a+6)+6a=0). Hence (6) is always one root and the other root is (a).

Step 2

Why this answer is correct

The correct answer is B. (6) हमेशा जड़ है / (6) is always a root. Putting (x=6) gives (36-6(a+6)+6a=0). Hence (6) is always one root and the other root is (a).

Step 3

Exam Tip

(x=6) रखने पर (36-6(a+6)+6a=0) मिलता है। इसलिए (6) हमेशा एक जड़ है और दूसरी जड़ (a) है।

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Mathematics Answer, Explanation and Revision Hints

(x-2-(a+6)x+6a=0) के लिए कौन-सा कथन हमेशा सत्य है? / Which statement is always true for (x-2-(a+6)x+6a=0)?

Correct Answer: B. (6) हमेशा जड़ है / (6) is always a root. Explanation: (x=6) रखने पर (36-6(a+6)+6a=0) मिलता है। इसलिए (6) हमेशा एक जड़ है और दूसरी जड़ (a) है। / Putting (x=6) gives (36-6(a+6)+6a=0). Hence (6) is always one root and the other root is (a).

Which concept should I revise for this Mathematics MCQ?

Putting (x=6) gives (36-6(a+6)+6a=0). Hence (6) is always one root and the other root is (a).

What exam hint can help solve this Mathematics question?

(x=6) रखने पर (36-6(a+6)+6a=0) मिलता है। इसलिए (6) हमेशा एक जड़ है और दूसरी जड़ (a) है।

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