\(2x^2+7xy+3y^2\) का सही गुणनखंड कौन सा है?
Which is the correct factorisation of \(2x^2+7xy+3y^2\)?
Explanation opens after your attempt
B. ( (2x+y)(x+3y) )
Concept
Split the middle term (7xy) as (6xy+xy). Exam tip: choose the pair with product (6) and sum (7).
Why this answer is correct
The correct answer is B. ( (2x+y)(x+3y) ). Split the middle term (7xy) as (6xy+xy). Exam tip: choose the pair with product (6) and sum (7).
Exam Tip
मध्य पद (7xy) को (6xy+xy) में तोड़ें। परीक्षा में ((2)(3)=6) और योग (7) वाली जोड़ी चुनें।
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