किस आयत मॉडल में \(x^2+x-12\) के भाग बन सकते हैं?
In which rectangle model can the parts of \(x^2+x-12\) be formed?
Explanation opens after your attempt
A. ((x+4)(x-3))
Concept
The product of (4) and (-3) is (-12), and their sum is (1). Exam tip: check the sum and product of the two number parts.
Why this answer is correct
The correct answer is A. ((x+4)(x-3)). The product of (4) and (-3) is (-12), and their sum is (1). Exam tip: check the sum and product of the two number parts.
Exam Tip
(4) और (-3) का गुणन (-12) और योग (1) है। परीक्षा में आयत के दो संख्यात्मक भागों का योग और गुणनफल जांचें।
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