The value of $(102)^{2} + (98)^{2}$ is:

20008

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20068

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20018

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20048

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Solution

The correct option is A 20008
$(102)^{2}$ can be written as $102^{2} = (100 + 2)^{2}$ ----------- (1)
$(98)^{2}$ can be written as $98^{2} = (100 - 2)^{2}$ ------------- (2)

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