यदि (x=3) है तो \(2x^3-5x^2+4\) का मान क्या है?
If (x=3), what is the value of \(2x^3-5x^2+4\)?
Explanation opens after your attempt
C. (13)
Concept
Substituting gives (2(27)-5(9)+4=54-45+4=13). Calculating powers first is the correct order.
Why this answer is correct
The correct answer is C. (13). Substituting gives (2(27)-5(9)+4=54-45+4=13). Calculating powers first is the correct order.
Exam Tip
मान रखने पर (2(27)-5(9)+4=54-45+4=13)। घात पहले निकालना सही क्रम है।
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