Math, asked by arnavrockstar177, 7 months ago

Please answer this ASAP

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Answered by Anonymous

0

Answer:

x=7+4 $\sqrt[3]$ rt3

1/x= 1/7+4rt3

which implies 1/7+4rt3 = 7-4rt3

now, x^2 + 1/x^2 = (7+4rt3)^2+(7-4rt3)^2

=49+48+49+48+56rt3-56rt3

= 194

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