\(x^2-13x+42\) को किस रूप में लिखा जाएगा?
In which form will \(x^2-13x+42\) be written?
Explanation opens after your attempt
A. ((x-6)(x-7))
Concept
Since (-6-7=-13) and ((-6)(-7)=42). Exam tip: use two negative signs for positive last term and negative middle term.
Why this answer is correct
The correct answer is A. ((x-6)(x-7)). Since (-6-7=-13) and ((-6)(-7)=42). Exam tip: use two negative signs for positive last term and negative middle term.
Exam Tip
(-6-7=-13) और ((-6)(-7)=42) है। परीक्षा में धनात्मक अंतिम पद और ऋणात्मक मध्य पद के लिए दोनों चिन्ह ऋणात्मक लें।
Login to save your score, XP, coins and progress.
