algebra 400 ques doubts
Could u help me with these questions?
q1)how many real solutions does x^9-x have?
q2)suppose p(x) is a polynomial of the form
where the coefficients a1,a2,a3......a119 are all the integers.What is the maximum possible number of distinct rational roots of p?
q3)e^5x+e^4x-3e^3x-17e^2x-30e^x=0 has how many real solutions?