Show that the equation `sintheta=x+1/x` is not possible if `x` is real.

Show that the equation sin theta=x+(1)/(x) is not possible if x is real.

sin theta = x + 1/x is possible for some real values of x.

Show that the equation sec^(2)theta=(4xy)/((x+y)^(2)) is only possible when x=y

Show that sin^(2)x=p+1/p is impossible if x is real.

Show that the equation x^(2)+2x+1+sqrtx has no real roots.

Show that the equation x^(2)+5x-6=0 has real roots.

Show that the equation sin x(sin x+cos x)=a has real solution if and only if a is a real number lying between (1)/(2)(1-sqrt(2)) and (1)/(2)(1+sqrt(2))

Show that the equation 3x^(2)+7x+8=0 is not true for any real value of x.

Prove that sin theta = x + p/x is possible for real x if p le 1/4

For what values of x is the equation 2sintheta=x+(1)/(x) valid?