यदि (z=-2), तो \(z^4+z^3-z\) का मान क्या होगा?
If (z=-2), what is the value of \(z^4+z^3-z\)?
Explanation opens after your attempt
C. (10)
Concept
Putting (z=-2) gives (16-8+2=10). Even and odd powers have different sign behavior.
Why this answer is correct
The correct answer is C. (10). Putting (z=-2) gives (16-8+2=10). Even and odd powers have different sign behavior.
Exam Tip
(z=-2) रखने पर (16-8+2=10) मिलता है। सम और विषम घातों के चिह्न अलग होते हैं।
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