\(4x^2+28x=0\) के मूल क्या हैं?

What are the roots of \(4x^2+28x=0\)?

Explanation opens after your attempt
Correct Answer

A. (x=0,-7)

Step 1

Concept

(4x(x+7)=0), so (x=0) or (x=-7). In exams, do not miss the root (x=0).

Step 2

Why this answer is correct

The correct answer is A. (x=0,-7). (4x(x+7)=0), so (x=0) or (x=-7). In exams, do not miss the root (x=0).

Step 3

Exam Tip

(4x(x+7)=0), इसलिए (x=0) या (x=-7) है। परीक्षा में (x=0) वाला मूल न छोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(4x^2+28x=0\) के मूल क्या हैं? / What are the roots of \(4x^2+28x=0\)?

Correct Answer: A. (x=0,-7). Explanation: (4x(x+7)=0), इसलिए (x=0) या (x=-7) है। परीक्षा में (x=0) वाला मूल न छोड़ें। / (4x(x+7)=0), so (x=0) or (x=-7). In exams, do not miss the root (x=0).

Which concept should I revise for this Mathematics MCQ?

(4x(x+7)=0), so (x=0) or (x=-7). In exams, do not miss the root (x=0).

What exam hint can help solve this Mathematics question?

(4x(x+7)=0), इसलिए (x=0) या (x=-7) है। परीक्षा में (x=0) वाला मूल न छोड़ें।