\(x^2+bx+15\) के गुणनखंड ((x+3)(x+5)) हों तो (b) कितना होगा?
If the factors of \(x^2+bx+15\) are ((x+3)(x+5)), what is (b)?
Explanation opens after your attempt
D. (8)
Concept
The sum of the constant parts of the binomials is (3+5=8). Therefore (b=8).
Why this answer is correct
The correct answer is D. (8). The sum of the constant parts of the binomials is (3+5=8). Therefore (b=8).
Exam Tip
द्विपदों के स्थिर भागों का योग (3+5=8) है। इसलिए (b=8) है।
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