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If a≠0 and a-1/a=3 . 1) a²+1/a²=? |
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Answer» a-1/a=3 a-1=3a -2a=1 a=-1/2 a^2+1/a^2=(1/4+1)/1/4 =(5/4)/(1/4) =5. hope it HELPS. ✔✔✔ ☆☆☆ |
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