Oblicz wartość wyrażenia dla :
a = -(-2)⁻² * 2 = -(-1/2)² * 2 = -1/4 * 2 = -1/2
2(4-4(3a-1)) - 16a² - 3(3 - 4a ) =
= 2(4 - 12a + 4) - 16a² - 9 + 12a =
= 8 - 24a + 8 - 16a² - 9 + 12a =
= -16a² - 12a+7
-16*(-1/2)² - 12*(-1/2) + 7 =
= -16 * 1/4 + 6 + 7 =
= - 4 + 13 =
= 9
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a = -(-2)⁻² * 2 = -(-1/2)² * 2 = -1/4 * 2 = -1/2
2(4-4(3a-1)) - 16a² - 3(3 - 4a ) =
= 2(4 - 12a + 4) - 16a² - 9 + 12a =
= 8 - 24a + 8 - 16a² - 9 + 12a =
= -16a² - 12a+7
-16*(-1/2)² - 12*(-1/2) + 7 =
= -16 * 1/4 + 6 + 7 =
= - 4 + 13 =
= 9