यदि (u=1) और (v=-3), तो (u-2v) का मान क्या होगा?

If (u=1) and (v=-3), what is the value of (u-2v)?

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

D. (7)

Step 1

Concept

(u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.

Step 2

Why this answer is correct

The correct answer is D. (7). (u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.

Step 3

Exam Tip

(u-2v=1-2(-3)=1+6=7)। ऋणात्मक संख्या से गुणा करते समय चिह्न पर ध्यान दें।

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Mathematics Answer, Explanation and Revision Hints

यदि (u=1) और (v=-3), तो (u-2v) का मान क्या होगा? / If (u=1) and (v=-3), what is the value of (u-2v)?

Correct Answer: D. (7). Explanation: (u-2v=1-2(-3)=1+6=7)। ऋणात्मक संख्या से गुणा करते समय चिह्न पर ध्यान दें। / (u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.

Which concept should I revise for this Mathematics MCQ?

(u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.

What exam hint can help solve this Mathematics question?

(u-2v=1-2(-3)=1+6=7)। ऋणात्मक संख्या से गुणा करते समय चिह्न पर ध्यान दें।