(x-2-(a+3)x+3a=0) के बारे में कौन-सा कथन हमेशा सही है?
Which statement is always true about (x-2-(a+3)x+3a=0)?
Explanation opens after your attempt
A. (3) हमेशा एक जड़ है(3) is always a root
Concept
Putting (x=3) gives (9-3(a+3)+3a=0). Hence (3) is always one root, and the other root is (a).
Why this answer is correct
The correct answer is A. (3) हमेशा एक जड़ है / (3) is always a root. Putting (x=3) gives (9-3(a+3)+3a=0). Hence (3) is always one root, and the other root is (a).
Exam Tip
(x=3) रखने पर (9-3(a+3)+3a=0) मिलता है। इसलिए (3) हमेशा एक जड़ है और दूसरी जड़ (a) होती है।
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