Evaluate the value `(x^(-6))^4` is equal to

Evaluate the value 5:4 is equal to

If x=tan((11 pi)/(8)), then the value of 4x^(4)-4x^(3)+6x^(2)-4x, is equal to

Find value of p for which the product of roots of the quadratic equation px^(2) +6x+ 4p =0 is equal to the sum of the roots.

Find the value of a if (x -a) is a factor of the polynomial x^(6)-ax^(5)+x^(4)-ax^(3)+3x-a+2

if lim_(x rarr0)(1+a cos2x+b cos4x)/(x^(4)) exists for all x in R and has the value equal to c. Find the value of 3(a+b+c)

The value of {:(lim),(xrarr0):}(xcot(4x))/(tan^2(3x)cot^2(6x)) is equal to