Write the value of `a r g(z)+a r g( z )` .

Let f : R to R : f (x) = (x^(2) +3x +1) " and " g : R to R : g (x) = (2x-3). Write down the formulae for (i) g o f (ii) f o g (iii) g o g

If f: R to R and g: R to R are defined by f(x)=2x+3 and g(x)=x^(2)+7 , then the values of x such that g(f(x))=8 are

If f:R rarr R and g:R rarr R defined by f(x)=2x+3 and g(x)=x^(2)+7 then the values of x for which f(g(x))=25 are

If f:R to R and g:R to R are defined by f(x)=(2x+3) and g(x)=x^(2)+7 , then the values of x such that g(f(x))=8 are

If a,x,b are in H.P. And a,y,z,b are in G.P.,then the value of (yz)/(x(y^3+z^3)) is

If p^(th),q^(th) and r^(th) terms of G.P.are x,y,x respectively then write the value of x^(q-r)y^(r-p)z^(p-q)

let z_1,z_2,z_3 and z_4 be the roots of the equation z^4 + z^3 +2=0 , then the value of prod_(r=1)^(4) (2z_r+1) is equal to :

If f: R->R , g: R->R are given by f(x)=(x+1)^2 and g(x)=x^2+1 , then write the value of fog\ (-3) .