a²-c²-2ab+b² এর সঠিক উৎপাদক কোনটি?
Solution
Correct Answer: Option B
এখানে,
a² - c² - 2ab + b²
= (a² - 2ab + b²) - c²
= (a - b)² - c²
= {(a - b) + c}{(a - b) - c}
= (a - b + c)(a - b -c)
a² - c² - 2ab + b²
= (a² - 2ab + b²) - c²
= (a - b)² - c²
= {(a - b) + c}{(a - b) - c}
= (a - b + c)(a - b -c)
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