Odpowiedź:
8.
(7x²y)² : (49x²y³) = 49x^4y² : (49x²y³) = x²y^-1 =
dla x = √3, y = 2
= (√3)² * 1/2 = 3 * 1/2 = 3/2 = 1 1/2
9.
[4^8 * (4^-4 : 4)²]/[4^4 * (4^-1 * 4^-3)] = [4^8 * (4^-5)²]/(4^4 * 4^-4) =
= (4^8 * 4^-10)/4^0 = 4^-2 = (1/4)² = 1/16
Szczegółowe wyjaśnienie:
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Odpowiedź:
8.
(7x²y)² : (49x²y³) = 49x^4y² : (49x²y³) = x²y^-1 =
dla x = √3, y = 2
= (√3)² * 1/2 = 3 * 1/2 = 3/2 = 1 1/2
9.
[4^8 * (4^-4 : 4)²]/[4^4 * (4^-1 * 4^-3)] = [4^8 * (4^-5)²]/(4^4 * 4^-4) =
= (4^8 * 4^-10)/4^0 = 4^-2 = (1/4)² = 1/16
Szczegółowe wyjaśnienie: