यदि परवलय (x)-अक्ष को केवल स्पर्श करता है तो बहुपद के कितने वास्तविक शून्यक माने जाते हैं?
If a parabola only touches the (x)-axis then how many real zeroes does the polynomial have?
Explanation opens after your attempt
Correct Answer
A. एकOne
Concept
When it touches the axis there is only one repeated zero. Tip: touching also means meeting the (x)-axis.
Why this answer is correct
The correct answer is A. एक / One. When it touches the axis there is only one repeated zero. Tip: touching also means meeting the (x)-axis.
Exam Tip
स्पर्श करने पर केवल एक समान शून्यक मिलता है। टिप: छूना भी (x)-अक्ष से मिलना है।
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