आयत मॉडल में ((r+3)(r+5)) को फैलाने पर (r) वाले पदों का योग क्या होगा?
In the rectangle model of ((r+3)(r+5)), what will be the sum of the (r)-terms?
Explanation opens after your attempt
C. (8r)
Concept
The like terms (3r) and (5r) combine to make (8r). Exam tip: add like terms.
Why this answer is correct
The correct answer is C. (8r). The like terms (3r) and (5r) combine to make (8r). Exam tip: add like terms.
Exam Tip
(3r) और (5r) जैसे पद मिलकर (8r) बनाते हैं। परीक्षा में समान पद जोड़ें।
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