Jeremy G.

asked • 08/14/19

I need help to solve for T. Not sure how 90 = 0.5454(T - 303) + [(1.6(10^-9))(T^4 - (303^4))]

90 = 0.5454(T - 303) + [(1.6(10^-9))(T^4 - (303^4))]

I need to solve for T but dont know how to with the whole T^4

1 Expert Answer

By:

Jeremy G.

I understand how to get that point in the problem, T4 + (340,875,000)T -167,964,017,481 = 0. However how do I not understand the steps involved to get the the solution.
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08/16/19

Mark J.

tutor
There are a number of methods for finding the roots of this polynomial equation. You could just use a quartic equation solver on the internet to give you the roots. You could use Newton's iterative formula to find the first root and then use that root to divide into the polynomial to get the other roots etc., you could plot the equation on a graph (perhaps on your TI calculator?) and find the roots from the graph, or you could use EXCEL to solve the equation using the "Goal Seek" function to find the first root etc. It just depends on the methods that you have studied thus far?
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08/17/19

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