यदि (a=3), तो \(2a^2-a+1\) का मान क्या होगा?
If (a=3), what is the value of \(2a^2-a+1\)?
Explanation opens after your attempt
C. (16)
Concept
Substituting gives (2a-2-a+1=2\(3^2\)-3+1=16). Evaluate powers before multiplication.
Why this answer is correct
The correct answer is C. (16). Substituting gives (2a-2-a+1=2\(3^2\)-3+1=16). Evaluate powers before multiplication.
Exam Tip
मान रखने पर (2a-2-a+1=2\(3^2\)-3+1=16)। पहले घात फिर गुणा करें।
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