Mathematics, 17.12.2019 23:31 kukisbae

Task 2
polynomial identities
part 1. pick a two-digit number greater than 25. rewrite your two-digit number as a difference of two numbers. show how to use the identity (x − y)2 = x2 − 2xy + y2 to square your number without using a calculator.
part 2. choose two values, a and b, each between 8 and 15. show how to use the identity a3 + b3 = (a + b)(a2 − ab + b2) to calculate the sum of the cubes of your numbers without using a calculator.

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Task 2
polynomial identities
part 1. pick a two-digit number greater than 25. rewrite yo...

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