using suitable idenity evaluate the following 188×212
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Answered by
9
Answer:
211×189
=> (200+11)×(200-11)
using (a+b)(a-b) = a²-b²
=> we have , (200+11)(200-11) = (200)²-(11)1
=> 40000-121 = 39879
Step-by-step explanation:
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Answered by
5
Answer:
39856
Step-by-step explanation:
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