Zastosuj wzory skróconego mnozenia ( bez obliczania)
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(3x² - 5)² = 9x⁴ - 30x² + 25
(4x² + 7)² = 16x⁴ + 56x² + 49
(x² - y⁴)² = x⁴ - 2x²y⁴ + y⁸
(3/4x + 5)² = 9/16x² + 7,5x + 25
(2√3 - 1)² = 12 - 4√3 + 1
(4√2 + √3)² = 32 + 8√6 + 3 = 35 + 8√6
(3x - 8)(3x + 8) = 9x² - 64
(2/3a - b)(2/3a + b) = 4/9a² - b²
(5x +10)(5x - 10) = 25x² - 100
(√2 - 1)(√2 + 1) = 2 - 1 = 1
Pozdrawiam i licze na naj ;)
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(3x² - 5)² = 9x⁴ - 30x² + 25
(4x² + 7)² = 16x⁴ + 56x² + 49
(x² - y⁴)² = x⁴ - 2x²y⁴ + y⁸
(3/4x + 5)² = 9/16x² + 7,5x + 25
(2√3 - 1)² = 12 - 4√3 + 1
(4√2 + √3)² = 32 + 8√6 + 3 = 35 + 8√6
(3x - 8)(3x + 8) = 9x² - 64
(2/3a - b)(2/3a + b) = 4/9a² - b²
(5x +10)(5x - 10) = 25x² - 100
(√2 - 1)(√2 + 1) = 2 - 1 = 1
(3x² - 5)² = 9x⁴ - 30x² + 25
(4x² + 7)² = 16x⁴ + 56x² + 49
(x² - y⁴)² = x⁴ - 2x²y⁴ + y⁸
(3/4x + 5)² = 9/16x² + 7,5x + 25
(2√3 - 1)² = 12 - 4√3 + 1
(4√2 + √3)² = 32 + 8√6 + 3 = 35 + 8√6
(3x - 8)(3x + 8) = 9x² - 64
(2/3a - b)(2/3a + b) = 4/9a² - b²
(5x +10)(5x - 10) = 25x² - 100
(√2 - 1)(√2 + 1) = 2 - 1 = 1
Pozdrawiam i licze na naj ;)