Expression with powers

If x-1/x=5, find the value of x4+1/x4

Result

v =  727

Solution: Checkout calculation with our calculator of quadratic equations.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! To solve this example are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation?

Next similar examples:

1. Algebra X+y=5, find xy (find the product of x and y if x+y = 5)
2. Evaluation of expressions If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
3. Square root 2 If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
4. Expressions 3 If k(x+6)= 4x2 + 20, what is k(10)=?
5. Holidays - on pool Children's tickets to the swimming pool stands x € for an adult is € 2 more expensive. There was m children in the swimming pool and adults three times less. How many euros make treasurer for pool entry?
6. Coefficient Determine the coefficient of this sequence: 7.2; 2.4; 0.8
7. Variations 4/2 Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition. Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
9. Equation Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
10. Discriminant Determine the discriminant of the equation: ?
11. Roots Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
12. Product The product of two consecutive odd numbers is 8463. What are this numbers? Solve quadratic equation: 2x2-58x+396=0 Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15 Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an Write the first 7 members of an arithmetic sequence: a1=-3, d=6. We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?