Evaluate using identitiey 51^2-49^2
Answers
Answered by
2
Answer:
a²-b²=(a+b)(a-b)
(51)²-(49)²
(51+49)(51-49)
100(2)
200
Answered by
1
Answer:
51²-49²
identity =(a²-b²)
(a+b) (a-b)
(51+49) (51-49)
100×2=200
therefore the answer is 200
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