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)?
Explanation opens after your attempt
D. (7)
Concept
(u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.
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.
Exam Tip
(u-2v=1-2(-3)=1+6=7)। ऋणात्मक संख्या से गुणा करते समय चिह्न पर ध्यान दें।
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