Answer :
The question is asking for the roots of the polynomial f(x) = 5x4 - 2x3 - 25x2 - 6x + 45. Therefore, the roots of f(x) = 5x4 - 2x3 - 25x2 - 6x + 45 are approximately -1.2 and 1.6.
To find the roots of a polynomial, we need to set f(x) equal to zero and solve for x. This means we are looking for values of x that make the equation f(x) = 0 true. We can do this through factoring or by using numerical methods such as the quadratic formula or Newton's method. To find the roots of f(x) = 5x4 - 2x3 - 25x2 - 6x + 45, we can use various methods. One approach is to try to factor the polynomial.
However, it is not immediately clear how to factor this polynomial, so we can turn to numerical methods. One way to find the roots is to use a graphing calculator or software to plot the function and look for the x-intercepts (where the function crosses the x-axis). This can give us an approximate idea of where the roots are located. Another method is to use iterative numerical techniques such as Newton's method or the bisection method to find the roots with increasing accuracy.
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