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What is the value of ( x power 2+14x+49- (x+7) po... |...
( x-2 +14x+49-(x+7)2 ) का मान क्या होगा?
What is the value of ( x-2 +14x+49-(x+7)2 )?
#perfect square
#trinomial
#identity check
A (0) / सही मान
B (14x) / मध्य पद बचा
C (49) / स्थिर पद बचा
D \(x^2\) / वर्ग पद बचा
Explanation opens after your attempt
Correct Answer
A. (0) / सही मान
Step 1
Concept
(x-2 +14x+49=(x+7)2 ), so subtraction gives (0). Exam tip: identify perfect square trinomials.
Step 2
Why this answer is correct
The correct answer is A. (0) / सही मान. (x-2 +14x+49=(x+7)2 ), so subtraction gives (0). Exam tip: identify perfect square trinomials.
Step 3
Exam Tip
(x-2 +14x+49=(x+7)2 ) है इसलिए घटाने पर (0) मिलता है। परीक्षा में पूर्ण वर्ग त्रिपद पहचानें।
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( x-2 +14x+49-(x+7)2 ) का मान क्या होगा? / What is the value of ( x-2 +14x+49-(x+7)2 )?
Correct Answer: A. (0) / सही मान. Explanation: (x-2 +14x+49=(x+7)2 ) है इसलिए घटाने पर (0) मिलता है। परीक्षा में पूर्ण वर्ग त्रिपद पहचानें। / (x-2 +14x+49=(x+7)2 ), so subtraction gives (0). Exam tip: identify perfect square trinomials.
Which concept should I revise for this Mathematics MCQ?
(x-2 +14x+49=(x+7)2 ), so subtraction gives (0). Exam tip: identify perfect square trinomials.
What exam hint can help solve this Mathematics question?
(x-2 +14x+49=(x+7)2 ) है इसलिए घटाने पर (0) मिलता है। परीक्षा में पूर्ण वर्ग त्रिपद पहचानें।
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