यदि \(x^2=9\) और (x=3), तो \(4x^2-5x+2\) का मान क्या होगा?

If \(x^2=9\) and (x=3), what is the value of \(4x^2-5x+2\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (23)

Step 1

Concept

Substitute \(x^2=9\) and (x=3) directly. (4(9)-5(3)+2=23).

Step 2

Why this answer is correct

The correct answer is A. (23). Substitute \(x^2=9\) and (x=3) directly. (4(9)-5(3)+2=23).

Step 3

Exam Tip

सीधे \(x^2=9\) और (x=3) रखें। (4(9)-5(3)+2=23)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x^2=9\) और (x=3), तो \(4x^2-5x+2\) का मान क्या होगा? / If \(x^2=9\) and (x=3), what is the value of \(4x^2-5x+2\)?

Correct Answer: A. (23). Explanation: सीधे \(x^2=9\) और (x=3) रखें। (4(9)-5(3)+2=23)। / Substitute \(x^2=9\) and (x=3) directly. (4(9)-5(3)+2=23).

Which concept should I revise for this Mathematics MCQ?

Substitute \(x^2=9\) and (x=3) directly. (4(9)-5(3)+2=23).

What exam hint can help solve this Mathematics question?

सीधे \(x^2=9\) और (x=3) रखें। (4(9)-5(3)+2=23)।