एक आयत का दृश्य मॉडल \(x^2+13x+40\) देता है। छोटे कोने के लिए कौन सा गुणन सही है?
A visual rectangle model gives \(x^2+13x+40\). Which multiplication is correct for the small corner?
Explanation opens after your attempt
Correct Answer
A. \(5\cdot 8=40\)
Concept
The numbers (5) and (8) have product (40) and sum (13). Exam tip: match the corner and middle term together.
Why this answer is correct
The correct answer is A. \(5\cdot 8=40\). The numbers (5) and (8) have product (40) and sum (13). Exam tip: match the corner and middle term together.
Exam Tip
(5) और (8) का गुणन (40) और योग (13) है। परीक्षा में कोना और मध्य पद साथ मिलाएँ।
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