यदि (p(x)=2x-2+12x+18) है, तो ग्राफ (x)-अक्ष से कैसे मिलेगा?
If (p(x)=2x-2+12x+18), how will the graph meet the (x)-axis?
Explanation opens after your attempt
A. (x=-3) पर स्पर्श करेगाIt will touch at (x=-3)
Concept
(2x-2+12x+18=2(x+3)2), so it touches at (x=-3). Tip: the outside (2) does not change the zero.
Why this answer is correct
The correct answer is A. (x=-3) पर स्पर्श करेगा / It will touch at (x=-3). (2x-2+12x+18=2(x+3)2), so it touches at (x=-3). Tip: the outside (2) does not change the zero.
Exam Tip
(2x-2+12x+18=2(x+3)2), इसलिए (x=-3) पर स्पर्श होगा। टिप: बाहरी (2) शून्यक नहीं बदलता।
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