(n) के वर्ग के तीन गुने में (4) जोड़ने का व्यंजक कौन सा है?
Which expression represents adding (4) to three times the square of (n)?
Explanation opens after your attempt
A. \(3n^2+4\)
Concept
The square of (n) is \(n^2\), and three times it is \(3n^2\). Adding (4) gives \(3n^2+4\).
Why this answer is correct
The correct answer is A. \(3n^2+4\). The square of (n) is \(n^2\), and three times it is \(3n^2\). Adding (4) gives \(3n^2+4\).
Exam Tip
(n) का वर्ग \(n^2\) है और उसका तीन गुना \(3n^2\) है। उसमें (4) जोड़ने पर \(3n^2+4\) मिलता है।
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