Math, asked by jija4681, 2 months ago

3. Using identity, evaluate: 712

Answers

Answered by srigowribudidha0

7

Answer:

700 +10+2

Step-by-step explanation:

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Answered by vinojnct374

5

Answer:

71

2

=(70+1)

2

=(70)

2

+1

2

+2(70)(1) ∵[(a+b)

2

=a

2

+b

2

+2ab]

=4900+1+140

=5041

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