(3r(r+2)-2r(4-r)) को सरल करने पर क्या मिलेगा?

What is obtained after simplifying (3r(r+2)-2r(4-r))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. \(5r^2-2r\)

Step 1

Concept

(3r(r+2)=3r-2+6r) and (-2r(4-r)=-8r+2r-2). The total is \(5r^2-2r\).

Step 2

Why this answer is correct

The correct answer is A. \(5r^2-2r\). (3r(r+2)=3r-2+6r) and (-2r(4-r)=-8r+2r-2). The total is \(5r^2-2r\).

Step 3

Exam Tip

(3r(r+2)=3r-2+6r) और (-2r(4-r)=-8r+2r-2) है। कुल \(5r^2-2r\) मिलेगा।

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Mathematics Answer, Explanation and Revision Hints

(3r(r+2)-2r(4-r)) को सरल करने पर क्या मिलेगा? / What is obtained after simplifying (3r(r+2)-2r(4-r))?

Correct Answer: A. \(5r^2-2r\). Explanation: (3r(r+2)=3r-2+6r) और (-2r(4-r)=-8r+2r-2) है। कुल \(5r^2-2r\) मिलेगा। / (3r(r+2)=3r-2+6r) and (-2r(4-r)=-8r+2r-2). The total is \(5r^2-2r\).

Which concept should I revise for this Mathematics MCQ?

(3r(r+2)=3r-2+6r) and (-2r(4-r)=-8r+2r-2). The total is \(5r^2-2r\).

What exam hint can help solve this Mathematics question?

(3r(r+2)=3r-2+6r) और (-2r(4-r)=-8r+2r-2) है। कुल \(5r^2-2r\) मिलेगा।