Math, asked by anshika6689, 11 months ago

if x raise to power 4 + 1 upon X raised to power 4 is equal to 6239 find x plus one upon x​

Answers

Answered by naushad55
4

Answer:

its answer is 9

Step-by-step explanation:

given that

 {x}^{4}  +  \frac{1}{ {x}^{4} }  = 6239 \\ on \: solving \: by \\ {( {x}^{2} })^{2}  +  \frac{1}{ {( {x}^{2} )}^{2} }  = 6239 \\ ( {x}^{2}  +  \frac{1}{ {x}^{2} } ) = 79 \\ again \: using \\  {(x +  \frac{1}{x}) }^{2}  =   {x}^{2}  +  \frac{1}{ {x}^{2} }  + 2 \times x \times  \frac{1}{x} \\ the \: value \: of \\ x +  \frac{1}{x}  = 9

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