Concept-wise Practice
zero_check MCQ Questions for Class 10
zero_check se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
Practice Questions
2 questions tagged with zero_check.
यदि (p(x)=x-4-5x-2+4), तो कौन सा मान (p(x)) का शून्यक नहीं है?
If (p(x)=x-4-5x-2+4), which value is not a zero of (p(x))?
Explanation opens after your attempt
Step 1
Concept
(p(3)=81-45+4=40), so (3) is not a zero. The values (1), (-1), and (2) make the polynomial (0).
Step 2
Why this answer is correct
The correct answer is D. (3). (p(3)=81-45+4=40), so (3) is not a zero. The values (1), (-1), and (2) make the polynomial (0).
Step 3
Exam Tip
(p(3)=81-45+4=40) है, इसलिए (3) शून्यक नहीं है। शेष (1), (-1) और (2) पर मान (0) मिलता है।
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यदि (p(x)=x-2-2x+5), तो (p(1)) का मान क्या है और क्या (1) शून्यक है?
If (p(x)=x-2-2x+5), what is (p(1)), and is (1) a zero?
Explanation opens after your attempt
Correct Answer
A. (4), नहीं/(4), no
Step 1
Concept
(p(1)=1-2+5=4), so (1) is not a zero. A zero must make the value (0).
Step 2
Why this answer is correct
The correct answer is A. (4), नहीं / (4), no. (p(1)=1-2+5=4), so (1) is not a zero. A zero must make the value (0).
Step 3
Exam Tip
(p(1)=1-2+5=4) है इसलिए (1) शून्यक नहीं है। शून्यक तभी होगा जब मान (0) हो।
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