Easy
1 point
ID: #28447
Question
1 - a² + 2ab - b² এর উৎপাদক কোনটি?
Options
1
(1+a+b)(1-a-b)
Correct Answer
2
(1+a-b)(1-a+b)
Correct Answer
3
(1+a+b)(1+a-b)
Correct Answer
4
(1+a+b)(1-a+b)
Correct Answer
Explanation
প্রদত্ত রাশি = 1 - (a² - 2ab + b²) = 1² - (a - b)² = {1 + (a - b)}{1 - (a - b)} = (1 + a - b)(1 - a + b)।
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Type
Single Choice
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