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Which expression adds the sum of (a) and (b) to (3) times their difference?कौन सा व्यंजक (a) और (b) के अंतर के (3) गुने में उनके योग को जोड़ता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3(a-b)+(a+b))(3(a-b)+(a+b))
The difference is (a-b), and three times it is (3(a-b)). Adding the sum (a+b) gives (3(a-b)+(a+b)).अंतर (a-b) है और उसका (3) गुना (3(a-b)) है। इसमें योग (a+b) जोड़ने पर (3(a-b)+(a+b)) बनता है।
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