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Question

The value of (369)2(368)2 using identity is .
  1. 707
  2. 737
  3. 767
  4. 757


Solution

The correct option is B 737
We know that,
a2b2=(a+b)(ab)

Now, 
considering a = 369 and b = 368,
a2b2
=36923682 
=(369368)(369+368)
=737

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