(9x-2-9(r+s)x+9rs=0) को सरल करने के बाद मूल क्या होंगे?
After simplifying (9x-2-9(r+s)x+9rs=0), what will be the roots?
Explanation opens after your attempt
A. (x=r,s)
Concept
Dividing the whole equation by (9) gives (x-2-(r+s)x+rs=0). In exams, removing the common factor first makes solving easier.
Why this answer is correct
The correct answer is A. (x=r,s). Dividing the whole equation by (9) gives (x-2-(r+s)x+rs=0). In exams, removing the common factor first makes solving easier.
Exam Tip
पूरे समीकरण को (9) से भाग देने पर (x-2-(r+s)x+rs=0) मिलता है। परीक्षा में पहले सामान्य गुणक हटाने से हल आसान होता है।
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