\(18x^2-21x-10\) को गुणनखंडित कीजिए।
Factorise \(18x^2-21x-10\).
Explanation opens after your attempt
B. ((6x-5)(3x+2))
Concept
((6x-5)(3x+2)) gives \(18x^2+12x-15x-10\). Exam tip: confirm that the middle term becomes (-21x).
Why this answer is correct
The correct answer is B. ((6x-5)(3x+2)). ((6x-5)(3x+2)) gives \(18x^2+12x-15x-10\). Exam tip: confirm that the middle term becomes (-21x).
Exam Tip
((6x-5)(3x+2)) से \(18x^2+12x-15x-10\) मिलता है। परीक्षा में मध्य पद (-21x) बनने की पुष्टि करें।
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