\(2x^2+5xy-12y^2\) का सही गुणनखंड कौन सा है?
Which is the correct factorisation of \(2x^2+5xy-12y^2\)?
Explanation opens after your attempt
D. ( (2x-3y)(x+4y) )
Concept
The split (8xy-3xy) gives (5xy), and the product is \(-24x^2y^2\). Exam tip: split the middle term using the (ac) method.
Why this answer is correct
The correct answer is D. ( (2x-3y)(x+4y) ). The split (8xy-3xy) gives (5xy), and the product is \(-24x^2y^2\). Exam tip: split the middle term using the (ac) method.
Exam Tip
(8xy-3xy) से (5xy) बनता है और गुणनफल \(-24x^2y^2\) है। परीक्षा में (ac) विधि से मध्य पद तोड़ें।
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