If `-2ltxlt3`, then;
`(a) 4ltx^2lt9`
`(b) 0le|x|2lt5`
`(c) 0lex^2lt9`
`(d)`None of these

If 0 lt x lt pi/2 then

If 0 lt x lt pi /2 then

If x satifies |x-1|+|x-2|+|x-3|geq6, then (a) 0lt=xlt=4 (b). xlt=-2orgeq4 (c). xlt=0orxgeq4 (d). None of these

If 2+z+z^4=0, where z is a complex number then (A) 1/2 lt|z|lt1 (B) 1/2lt|z|lt1/3 (C) |z|ge1 (D) none of these

If a lt 0 and b lt 0 , then (a +b)^(2) gt 0 .

if A=sin^2x-4sinx+2 then, for x in R a. -1lt=Alt=8 b. -1lt=Alt=7 c. -1lt=Alt=9 d. None of these

The equation sin^4x-2cos^2x+a^2=0 can be solved if (a) -sqrt(3)lt=alt=sqrt(3) (b) sqrt(2)lt=alt=""sqrt(2) (c) -""1lt=alt=a (d) none of these

If -4lex lt 2 then ||x+2|-3 lies in the inerval

The line x=t^2 meets the ellipse x^2+(y^2)/9=1 at real and distinct points if and only if. |t|<2 (b) |t|<1 |t|>1 (d) none of these

If a!=0 and log_x (a^2+1)lt0 then x lies in the interval (A) (0,oo) (B) (0,1) (C) (0,a) (D) none of these