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If a-1/a=5 then find the value of a square +1/asquare​
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If a-1/a=5 then find the value of a square +1/asquare​

User Wagner
by
6.8k points

1 Answer

1 vote

Answer:

3

Explanation:

Calculating a

  • a - 1 / a = 5
  • a - 1 = 5a
  • 4a = -1
  • a = -1/4

Substitute in the 2nd equation

  • a² + 1 / a²
  • (-1/4)² + 1 / (-1/4)²
  • 1/2 + 1 / 1/2
  • 3/2 / 1/2
  • 3
User Henrycharles
by
6.7k points
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