What is the derivative of x^x for x>0?, x^x ln x, x^(x-1), x ln x, x^x(ln x+1), What is the integral of 1/(1+x^2) dx?, arctan x + C, 1/(1+x) + C, tan x + C, ln|x| + C, If det(A)=3, what is det(2A) for a 3x3 matrix?, 12, 24, 9, 6, What is the sum of the infinite geometric series 1 + 1/2 + 1/4 + ...?, 1, Infinity, 2, 3, What is the radius of convergence of Σ x^n/n! ?, Infinity, 1, 0, e, What is an eigenvalue of the matrix [[2,0],[0,5]]?, 1, 7, 10, 5, What is lim (sin x)/x as x→0?, 0, Infinity, 1, Undefined, How many real roots does x^2 + 1 = 0 have?, 1, 0, 2, Infinite, What is the value of i^4?, i, -i, 1, -1, What is the solution to ln x = 0?, 1, -1, e, 0

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