SOLUTION: t to the 4th power - 6t squared

SOLUTION: t to the 4th power - 6t squared - 4= 0

Question 139544This question is from textbook
: t to the 4th power - 6t squared - 4= 0 This question is from textbook

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Let , then substitute into giving

Solve the quadratic in x by either completing the square or using the quadradic formula (this one doesn't factor neatly). You will find two roots in x.

Set each of these roots equal to and then solve each equation for t, remembering to consider the positive and negative root in each case.

You will end up with 4 roots, which was expected because you started with a quartic (4th degree) equation.
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