( (x+7)(x-2) ) का प्रसार चुनिए।
Choose the expansion of ( (x+7)(x-2) ).
Explanation opens after your attempt
C. \(x^2+5x-14\)
Concept
The coefficient of (x) is (7-2=5) and the constant term is (7\cdot(-2)=-14). Exam tip: watch the signs.
Why this answer is correct
The correct answer is C. \(x^2+5x-14\). The coefficient of (x) is (7-2=5) and the constant term is (7\cdot(-2)=-14). Exam tip: watch the signs.
Exam Tip
(x) का गुणांक (7-2=5) और स्थिर पद (7\cdot(-2)=-14) है। परीक्षा में चिन्हों का ध्यान रखें।
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