(B) using Identities Evaluate the following
51sq - 49sq
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Answered by
0
Answer:
2sq no identity can be applied.
Step-by-step explanation:
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Answered by
2
Answer: 100× 2 = 200
Step-by-step explanation:
⇒(51)² - (49)²
⇒(51+49) (51-49) As we know that a² -b² = (a+b ) (a-b)
⇒100× 2 = 200
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