What is the minimum value of x for which the expression x³ – 7x² + 11x – 5 gives positive values

If x2 + 1/x² = 51 , then the value of x-1/x is

If ( p - q) ² = ( x – y ) ², then x =

If a + b + c = 3, a² + b² + c² = 9, a³ + b³ + c³ = 24 , Then find a4 + b⁴ + c⁴

if (64)² - (36)² = 10x, then x = ?

If logx/(a²+b²+ab) = logy/(b²+c²+bc) = logz/(c²+a²+ac) then, the value of x^(a-b).y^(b-c).z^(c-a) is

(xⁿ - aⁿ) is completely divisible by (x - a), if

If o = 4/3 and h = 6 then h/o + 4/o² =

If (z – 5) = 4z – 8, then which of the following could be the value of z?

If X and Y are positive integers and X + Y = 1, what is the least value of (X+1/X)² + (Y+1/Y)² ?