Mathematics
Grade10
Easy

Question

From the figure given below, find the difference in areas of larger square to that of the smaller square.

  1. a squared plus 2 a b
  2. a squared plus 2 a b squared
  3. a squared plus 2 b squared
  4. a squared plus b squared

hintHint:

text  difference  end text equals left parenthesis a plus b right parenthesis squared minus b squared

The correct answer is: a squared plus 2 a b


    text  difference  end text equals left parenthesis a plus b right parenthesis squared minus b squared
equals a squared plus 2 a b plus b squared minus b squared
equals a squared plus 2 a b

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