यदि (p(x)=x-2-2kx+k-2) है, तो ग्राफ (x)-अक्ष को किस (x)-मान पर स्पर्श करेगा?
If (p(x)=x-2-2kx+k-2), at which (x)-value will the graph touch the (x)-axis?
Explanation opens after your attempt
Correct Answer
B. (x=k)
Concept
It is ((x-k)2), so the repeated zero is (k). Tip: recognize the perfect square form quickly.
Why this answer is correct
The correct answer is B. (x=k). It is ((x-k)2), so the repeated zero is (k). Tip: recognize the perfect square form quickly.
Exam Tip
यह ((x-k)2) है, इसलिए दोहराया शून्यक (k) है। टिप: पूर्ण वर्ग रूप तुरंत पहचानें।
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