\(x^2+kx+16\) में यदि (x) का गुणांक (12) है, तो (k-5) का मान क्या होगा?
In \(x^2+kx+16\), if the coefficient of (x) is (12), what is the value of (k-5)?
Explanation opens after your attempt
A. (7)
Concept
In (kx), the coefficient of (x) is (k), so (k=12). Hence (k-5=7).
Why this answer is correct
The correct answer is A. (7). In (kx), the coefficient of (x) is (k), so (k=12). Hence (k-5=7).
Exam Tip
(kx) में (x) का गुणांक (k) है, इसलिए (k=12)। अतः (k-5=7)।
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