यदि (p(x)=x-2-2(k+1)x+k-2) के शून्यकों का योग (10) है, तो (k) क्या है?
If the sum of zeroes of (p(x)=x-2-2(k+1)x+k-2) is (10), what is (k)?
Explanation opens after your attempt
A. (4)
Concept
The sum of zeroes is (2(k+1)), so (2(k+1)=10) and (k=4). Handle the negative sign carefully in the formula.
Why this answer is correct
The correct answer is A. (4). The sum of zeroes is (2(k+1)), so (2(k+1)=10) and (k=4). Handle the negative sign carefully in the formula.
Exam Tip
शून्यकों का योग (2(k+1)) है, इसलिए (2(k+1)=10) और (k=4)। सूत्र लगाते समय ऋण चिह्न संभालें।
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