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What is the value of ( 104^2-96^2 )?

Answer and explanation

Correct answer: (1600)

The expression is a difference of two squares, so use \\(a^2-b^2=(a+b)(a-b)\\). Taking \\(a=104\\) and \\(b=96\\), we get \\(104^2-96^2=(104+96)(104-96)=200\\times8=1600\\). This is faster and safer than calculating both large squares separately.

Therefore, option C is correct. The key is to preserve the subtraction and use the sum and difference of the two numbers. The other values do not result from this product: \\(800\\) is only the difference multiplied by 100, \\(1200\\) is too small, and \\(2000\\) incorrectly uses the sum without the correct difference. The identity directly confirms 1600.

Related tags

Difference Of SquaresNumerical IdentityCalculation

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