Expert Mathematics Polynomials Class 10 Level 24

यदि (p(x)=x-2+6x+10) है तो ग्राफ का (x)-अक्ष से संबंध क्या होगा?

If (p(x)=x-2+6x+10), what will be the relation of the graph with the (x)-axis?

Explanation opens after your attempt
Correct Answer

A. यह (x)-अक्ष को नहीं मिलेगाIt will not meet the (x)-axis

Step 1

Concept

(x-2+6x+10=(x+3)2+1), which is always positive. So there is no real zero.

Step 2

Why this answer is correct

The correct answer is A. यह (x)-अक्ष को नहीं मिलेगा / It will not meet the (x)-axis. (x-2+6x+10=(x+3)2+1), which is always positive. So there is no real zero.

Step 3

Exam Tip

(x-2+6x+10=(x+3)2+1) है जो हमेशा धनात्मक है। इसलिए कोई वास्तविक शून्यक नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=x-2+6x+10) है तो ग्राफ का (x)-अक्ष से संबंध क्या होगा? / If (p(x)=x-2+6x+10), what will be the relation of the graph with the (x)-axis?

Correct Answer: A. यह (x)-अक्ष को नहीं मिलेगा / It will not meet the (x)-axis. Explanation: (x-2+6x+10=(x+3)2+1) है जो हमेशा धनात्मक है। इसलिए कोई वास्तविक शून्यक नहीं है। / (x-2+6x+10=(x+3)2+1), which is always positive. So there is no real zero.

Which concept should I revise for this Mathematics MCQ?

(x-2+6x+10=(x+3)2+1), which is always positive. So there is no real zero.

What exam hint can help solve this Mathematics question?

(x-2+6x+10=(x+3)2+1) है जो हमेशा धनात्मक है। इसलिए कोई वास्तविक शून्यक नहीं है।

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