51 square - 49 square identity
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51²-49²
identity=a²-b²=(a+b)(a-b)
(51+49)(51-49)
100×2
200
identity=a²-b²=(a+b)(a-b)
(51+49)(51-49)
100×2
200
Answered by
0
Answer:
51²-49²=
using this identity: (a²- b²) = (a+b) (a-b)
(51+49) (51-49)
100 × 2
200 will be the answer
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