Question
If x + 1/x = 5, find: x² + 1/x²
More Algebra Questions
- If = 3 then = ?
- If a + b + c = 15 and ab + bc + ca = 50, then find the value of a² + b² + c².
- If (7x + 5y) = 206 and 3x:2y = 27:16, then find the value of (x² + 2y²).
- If x = 21, then the value of x5 - 22x4 + 22x3 - 22x2 + 22x - 1 is
- (x + 1)2 + (y – 3) 2 + (z + 5) 2 = 0, then find the value of 2x + 3y - z.
- Calculate the value of the expression: {2 X (P3 - Q3) - 30 X P X Q} if (P - Q) = 6 and (P2 + Q2) = 80
- If 15a2 + 1 = 20a, then find the value of {(9a2 + 1)/25a2}
- If x + y + z = 7, x² + y² + z² = 85 and x³ + y³ + z³ = 842, then the value of √3xyz is:
- `sqrt(sqrt(20+sqrt(20+sqrt(20)) ... prop)` = ?
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt