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Please answer my question, from quadratic equations Do Explain in detail

Please answer my question, from quadratic equations
Do Explain in detail

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Grade:11

1 Answers

Aditya Gupta
2081 Points
5 years ago
The answer is too long to be answered here. So lemme give you hints.
Note that tanA+tanB+tanC= tanAtanBtanC= k (say)
Also, you will have to use VIETA FORMULAS.
After some ugly elimination and rearrangement, you will get fourth root y as
y= (p-r)/(s-q+1)

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