(x-2-(a+b)x+ab=0) की जड़ें कौन-सी हैं?
What are the roots of (x-2-(a+b)x+ab=0)?
Explanation opens after your attempt
A. (a) और (b)(a) and (b)
Concept
The equation can be written as ((x-a)(x-b)=0). Therefore the roots are (a) and (b).
Why this answer is correct
The correct answer is A. (a) और (b) / (a) and (b). The equation can be written as ((x-a)(x-b)=0). Therefore the roots are (a) and (b).
Exam Tip
समीकरण ((x-a)(x-b)=0) के रूप में लिखा जा सकता है। इसलिए जड़ें (a) और (b) हैं।
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