If : `a = 9, b = 8 and c = x` satisfies 3 cos C = 2, then : x =

If alpha, beta are different values of x satisfying a cos x + b sin x = c then tan ((alpha + beta)/(2))=

If x = 6a + 8b + 9c, y = 2b - 3a - 6c and z = c - b + 3a, find : x - y +z

If x = 6a + 8b + 9c, y = 2b - 3a - 6c and z = c - b + 3a, find : x + y + z

If a, b and c satisfy the equation x^(3)-3x^(2) + 2x+1 =0 then what is the value of (1)/(a)+(1)/(b)+(1)/(c ) ?

If x = 6a + 8b + 9c, y = 2b - 3a - 6c and z = c - b + 3a, find : 2x - y - 3z

If x = 6a + 8b + 9c, y = 2b - 3a - 6c and z = c - b + 3a, find : 3y - 2z - 5x

If f(x) =ax^(2) + bx + c satisfies the identity f(x+1) -f(x)= 8x+ 3 for all x in R Then (a,b)=

If f(x) =ax^(2) + bx + c satisfies the identity f(x+1) -f(x)= 8x+ 3 for all x in R Then (a,b)=

If alpha,beta are the different values of x satisfying a cos x+b sin x=c then tan((alpha+beta)/(2)) is

Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x) = pi If x satisfies the equation a x^3+b x^2+c x-1=0, then the value of (b-a-c) is_________