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
Correct Answer

C. (13)

Step 1

Concept

Substituting gives (2(27)-5(9)+4=54-45+4=13). Calculating powers first is the correct order.

Step 2

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.

Step 3

Exam Tip

मान रखने पर (2(27)-5(9)+4=54-45+4=13)। घात पहले निकालना सही क्रम है।

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Mathematics Answer, Explanation and Revision Hints

यदि (x=3) है तो \(2x^3-5x^2+4\) का मान क्या है? / If (x=3), what is the value of \(2x^3-5x^2+4\)?

Correct Answer: C. (13). Explanation: मान रखने पर (2(27)-5(9)+4=54-45+4=13)। घात पहले निकालना सही क्रम है। / Substituting gives (2(27)-5(9)+4=54-45+4=13). Calculating powers first is the correct order.

Which concept should I revise for this Mathematics MCQ?

Substituting gives (2(27)-5(9)+4=54-45+4=13). Calculating powers first is the correct order.

What exam hint can help solve this Mathematics question?

मान रखने पर (2(27)-5(9)+4=54-45+4=13)। घात पहले निकालना सही क्रम है।