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I need news on the tremors/aftershocks/earthquake I am feeling in Maricopa county Arizona.? Is three days enough to study for a calculous test? Differentiate(t) = (cos^3 t+ 3cost +7)^9? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400 ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ?