(x-2-(a+8)x+8a=0) के बारे में कौन-सा कथन हमेशा सही है?
Which statement is always correct about (x-2-(a+8)x+8a=0)?
Explanation opens after your attempt
A. (8) हमेशा एक जड़ है(8) is always one root
Concept
Putting (x=8) gives (64-8(a+8)+8a=0). Hence (8) is always one root and the other root is (a).
Why this answer is correct
The correct answer is A. (8) हमेशा एक जड़ है / (8) is always one root. Putting (x=8) gives (64-8(a+8)+8a=0). Hence (8) is always one root and the other root is (a).
Exam Tip
(x=8) रखने पर (64-8(a+8)+8a=0) मिलता है। इसलिए (8) हमेशा एक जड़ है और दूसरी जड़ (a) है।
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