16x2 - 25y2 - 8xz + 10yz এর একটি উৎপাদক কোনটি?
Solution
Correct Answer: Option A
16x2 - 25y2 - 8xz + 10yz
= (4x)2 - (5y)2 - 2z(4x - 5y)
= (4x + 5y) (4x - 5y) - 2z(4x - 5y)
= (4x - 5y) (4x + 5y - 2z)
= (4x)2 - (5y)2 - 2z(4x - 5y)
= (4x + 5y) (4x - 5y) - 2z(4x - 5y)
= (4x - 5y) (4x + 5y - 2z)
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