यदि (p=-1), तो \(p^4+2p^3-3p^2+4\) का मान क्या होगा?
If (p=-1), what is the value of \(p^4+2p^3-3p^2+4\)?
Explanation opens after your attempt
Correct Answer
A. (0)
Concept
Substitution gives (1-2-3+4=0). Even powers of (-1) are (1), and odd powers are (-1).
Why this answer is correct
The correct answer is A. (0). Substitution gives (1-2-3+4=0). Even powers of (-1) are (1), and odd powers are (-1).
Exam Tip
मान रखने पर (1-2-3+4=0) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है।
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