यदि (p(x)=x-2-6x+9) है तो इसका आलेख (x)-अक्ष को किस बिंदु पर स्पर्श करेगा?
If (p(x)=x-2-6x+9), at which point will its graph touch the (x)-axis?
Explanation opens after your attempt
Correct Answer
B. ((3,0))
Concept
(x-2-6x+9=(x-3)2), so the touching point is ((3,0)). Tip: identify the zero of a perfect square quickly.
Why this answer is correct
The correct answer is B. ((3,0)). (x-2-6x+9=(x-3)2), so the touching point is ((3,0)). Tip: identify the zero of a perfect square quickly.
Exam Tip
(x-2-6x+9=(x-3)2) इसलिए स्पर्श बिंदु ((3,0)) है। टिप: पूर्ण वर्ग का शून्यक तुरंत पहचानें।
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