Register
If a-1/a=5 then find the value of a square +1/asquare​
202k views
9 votes
If a-1/a=5 then find the value of a square +1/asquare​

User Wagner
by
4.7k 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
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.1m answers

Other Questions

I need to simplify this expression.
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
What is the domain and range?
What does translation means in math? I am taking a quiz on this right now, I need an answer ASAP!!!!!!
If in circle A is 60°, what is m∠BDC? A. 60 B. 45 C. 30 D. 25
Link Copied!