W is in which direction with respect to

If y + 1/y = 2 then find y¹¹⁷ + 1/(y¹¹⁷)

If x² + y² + z² = xy + yz + zy (x≠0), then the value of (5x+3y-4z)/2x is

If a + (1/a) = 2, then find the value of (a⁵ + a³ + 6)/(7a – 5). 

If x = 15

find x ⁵ - 16 x ⁴ + 16 x ³ - 16 x ² + 16 x  - 16 = ?

If x + 1/x = 5 then find out the value of x⁵ + 1/(x⁵)?

If 2x + (1/9x) = 5, then find the value of 81x² + (1/4x²) - (1785/4)

If x   = 107, then find the value of  x(x² - 12x + 48)  ?

if a² + b² + c² = 2(3a -5b -6c)-70 , then a-b-c = ?