(4a - 5b)² how to solve this ?
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Answer:
your answer will be (1ab+1ab) ( 1ab- 1ab)
Step-by-step explanation:
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Answered by
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as we know that :-
(a-b)² = a²+b²-2ab
(4a-5b)² = 4a² + 5b² - 2 × 4a × 5b
= 16a² + 25b² - 40ab
= 16a² + 25b² - 40ab is the correct answer✅✅
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