if x+1/x=6, findx4+1/x4
Ls18:
i ve done it but can u tell me how to upload the solution pictures
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Given,
To find,
Main solution :
Using identity (a+b)^2=a^2+b^2+2ab
Whole squaring both sides.
Using identity (a+b)^2=a^2+b^2+2ab
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