Find the value of `x`if `(1+x):(3+x):(6+x)`

Find the value of x , if x :6::5:3

Find the value of k, if (3x-4)/((x-3)(x+k))=(1)/(x-3)+(2)/(x+k)

Find the value of x if A= |(3x, 2), (5x,1)| if |A|= 5

If x = sqrt(3)- sqrt(2) find the value of x+(1)/(x)

If x =1 -sqrt(2) find the value of (x-(1)/(x))^(3)

If f(x)=x^(3)-(1)/(x^(3)) , then find the value of f(x)+f(-x) .

If x - (1)/(x) = y , x ne 0 , find the value of (x- (1)/ (x) - 2y ) ^(3)

(a) Find the value of x if 1 + 6 + 11 + ... + x = 189. (b) Find the value of x if 3 + 6 + 9 + ... + 96 = x.

Find the value of x and y (1)/(2x)+(1)/(3y)=2 (1)/(3x)+(1)/(2y)=(13)/(6)

If (x^2+x−2)/(x+3) -1) f(x) then find the value of lim_(x->-1) f(x)