If a -1/a= 8 and a = 0; find :
(i) a +1/a
(ii) a2-1/a2
Answers
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2
Answer:
1) 0
2) 62 you can find this ans by squaring a-1/a
a²+ 1/a²- 2a×1/a = 8²
a²+ 1/a²- 2 =64
a²+1/a²=62
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