यदि (p(x)=ax+b) का शून्यक (5) है और (a=-2), तो (b) क्या है?

If the zero of (p(x)=ax+b) is (5) and (a=-2), what is (b)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (10)

Step 1

Concept

From (p(5)=0), (5a+b=0). Substituting (a=-2) gives (b=10).

Step 2

Why this answer is correct

The correct answer is A. (10). From (p(5)=0), (5a+b=0). Substituting (a=-2) gives (b=10).

Step 3

Exam Tip

(p(5)=0) से (5a+b=0) होगा। (a=-2) रखने पर (b=10) मिलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=ax+b) का शून्यक (5) है और (a=-2), तो (b) क्या है? / If the zero of (p(x)=ax+b) is (5) and (a=-2), what is (b)?

Correct Answer: A. (10). Explanation: (p(5)=0) से (5a+b=0) होगा। (a=-2) रखने पर (b=10) मिलता है। / From (p(5)=0), (5a+b=0). Substituting (a=-2) gives (b=10).

Which concept should I revise for this Mathematics MCQ?

From (p(5)=0), (5a+b=0). Substituting (a=-2) gives (b=10).

What exam hint can help solve this Mathematics question?

(p(5)=0) से (5a+b=0) होगा। (a=-2) रखने पर (b=10) मिलता है।