If x+1=5 ,then the value of 'x' is

if x in N , then the value of x satisfying the equation 5^x*(8^(x-1))^(1/x)=500 is divisible by

If the function f(x) = {{:(a|pi - x|+1"," x le 5),(" is continuous at "),(b|x-pi|+3","xgt5):} x = 5, then the value of a - b is

If sin^(-1)(x/5) + cosec^(-1) (5/4) = pi/2 , then the value of x is

If f(x) = (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) , then the value of f' (5) is equal to

If x^2-x+1=0 then the value of sum_[n=1]^[5][x^n+1/x^n]^2 is:

If x-1/x=5 , find the value of x^3-1/(x^3)

If the mean of x_(1),x_(2) is 7.5 and the mean of x_(1),x_(2),x_(3) is 8, then the value of x_(3) is

If x^2+x+1 is a factor of the polynomial 3x^3+8x^2+8x+3+5k , then the value of k is (a) 0 (b) 2/5 (c) 5/2 (d) -1