Wykonaj działania: a. (2x - 5y) b. (4x - y)² c. (x - √2)( x + √2) d. (1-√5)².... Question from @zapalaadam93

December 2023 1 4 Report

Wykonaj działania:
a. (2x - 5y)
b. (4x - y)²
c. (x - √2)( x + √2)
d. (1-√5)²

bartek260

Odpowiedź:

a. (2x - 5y) = 2x - 5y

b. (4x - y)² = 16x² - 8xy + y²

c. (x - √2)( x + √2) = x² + 2

d. (1-√5)² = 1 - 2√5 + 5 = 6 - 2√5

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