If `x = 5 - 2sqrt6`, find: `x - 1/x`

If x = 5 - 2 sqrt6 , find 1/x .

If x=5-2sqrt6 then find x^4-1/x^4

If x=5-2sqrt(6), find the value of x^(2)+(1)/(x^(2))

x=5-2sqrt(6), find x^(2)+(1)/(x^(2))

If x = (5-sqrt(21))/2 , find the value of x+(1)/(x)

If sin x=(-2sqrt(6))/(5) "and " x lies Quadrant III find the values of cos x and cot x

If x=5+2sqrt(6), then sqrt((x)/(2))-(1)/(sqrt(2x))= (a) 1 (b) 2 (c) 3 (d) 4

If the value of the determinant |{:(3sqrt(6),-4sqrt(2)),(5sqrt(3),x):}| is 26sqrt(6) , find the value of x .