[" 5.If "2(x^(2)+1)=5x" ,find "],[" (i) "x-(1)/(x)]

If 2(x^(2) + 1)= 5x , find x- (1)/(x)

If 2(x^(2) + 1)= 5x , find x^(3)- (1)/(x^(3))

If 2(x^(2)+1)=5x , find : (i) x-(1)/(x) (ii) x^(3)-(1)/(x^(3))

If x + (1)/(x) = 5 find x ^(2) + (1)/(x ^(2))

If 3x - (1)/(3x ) =5 , find : (i) 9x^(2) + (1)/( 9x^2)

If x = (1)/(x- 5) , find: x^(2) + (1)/(x^(2))

If x + (1)/(x) = 5 find the values of (i) x^(2) + (1)/(x^(2)) and (ii) x^(4) + (1)/(x^(4))

If x = (1)/(x- 5) , find: x^(2)- (1)/(x^(2))

(i) If p(x)=3x^(2)-5x+6 , find p(2) . (ii) If q(x)=x^(2)-2sqrt(2)x+1 , find q(2sqrt(2)) . (iii) If r(x)=5x-4x^(2)+3 find r(-1) .

if x+(1)/(x)=5 then find x^(2)-(1)/(x^(2))