Math, asked by balovesbalabat, 6 months ago

6x³-8x²+3x+7 need help​

Answers

Answered by saisrivatsavmansani
1

Answer:

what should we do in the answer

Step-by-step explanation:

first tell then I will help you

Answered by SrijanShrivastava
1

f(x) = 6 {x}^{3}  - 8 {x}^{2}  + 3x + 7 = 0

Then, Δ = –51508 < 0

Therefore, there exists only one real solution.

x_{1} =  \frac{8  -   \sqrt[3]{  3538 + 18 \sqrt{38631} }  -  \sqrt[3]{  3538 - 18 \sqrt{38631} }  }{18}

x_{2,3} =  \frac{16  +  \sqrt[3]{3538 + 18 \sqrt{38631} }  +  \sqrt[3]{3538 - 18 \sqrt{38631} } +     i\sqrt{3}( ± \sqrt[3]{3538 + 18 \sqrt{38631} }∓  \sqrt[3]{3538 - 18 \sqrt{38631} }  ) }{36}

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