(x=3) पर \(x^2-4x+7\) का मान क्या है?
What is the value of \(x^2-4x+7\) at (x=3)?
Explanation opens after your attempt
B. (4)
Concept
\(3^2-4\cdot3+7=9-12+7=4\). Exam tip: calculate stepwise with signs.
Why this answer is correct
The correct answer is B. (4). \(3^2-4\cdot3+7=9-12+7=4\). Exam tip: calculate stepwise with signs.
Exam Tip
\(3^2-4\cdot3+7=9-12+7=4\) है। परीक्षा में चिन्हों के साथ चरणबद्ध गणना करें।
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