if a- 1/a=2 then find the value a⁴-6a²+1
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Answered by
1
Answer:
=> a-1 = 2a
=> a = - 1
=>a⁴ - 6a² + 1
=> (-1)⁴ - 6(-1)² + 1
=> 1 - 6 + 1
=> - 4
Answered by
0
Answer:
Step-by-step explanation:
a-1/a = 2
a-1 = 2a
-1 = 2a-a
a = -1
Hence,
a⁴-6a²+1 = (-1)⁴-6(-1)²+1 = 1-6+1 = -4
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