a-1/a=2 then a^3-1/a^3 =?
Answers
Answered by
1
Answer:
2
Step-by-step explanation:
a-1=2a
a= -1
a^3-1/a^3 = (-1)^3 -1 /(-1)^3
= -1-1/-1
= -2/-1
= 2
Answered by
1
Answer:
Step-by-step explanation:
it is given that a-1=2a
a= -1
a^3-1/a^3 = (-1)^3 -1 /(-1)^3
-1-1/-1
-2/-1
2
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