Question

x -1/x=-1 then find x^2+1/x^2

Answer 1

x-1/x=-1
SQUARING ON BOTH SIDES
WE GET
X^2+1/X^2-2=1
X^2+1/X^2=1+2
X^2+1/X^2=3

Answer 2

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
▬▬▬▬▬▬▬▬▬▬▬▬☟

If, x - 1 / x = - 1

▶Then, Square from both side:-
============================⤵

x² + 1 / x² - 2 = 1

x² + 1 / x² = 1 + 2

x² + 1 / x² = 3...✔

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Thanks...✊