if `9^(x+2)=240+9^x ,` then `x=` `0. 5` (b) 0.2 (c) 0.4 (d) 0.1

if 9^(x+2)=240+9^x , then x= (a) 0. 5 (b) 0.2 (c) 0.4 (d) 0.1

If the measure of the angles of a triangle are (2x-5)^0,(3x-1/2)\ a n d\ (30-x/2), then x= (a) (311)/9 (b) (309)/(11) (c) (310)/9 (d) (301)/9

The equations of tangents to the circle x^(2)+y^(2)-6x-6y+9=0 drawn from the origin in x=0( b) x=y( c) y=0 (d) x+y=0

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a) x=0 (b) x=y (c) y=0 (d) x+y=0

If [[x,1]][[1,0],[2,0]]=0 ,then x equals (A) 0 (B) -2 (C) -1 (D) 2

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a). x=0 (b) x=y (c) y=0 (d) x+y=0

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a). x=0 (b) x=y (c) y=0 (d) x+y=0

Q. If 1.5 0 (b) (2x-3)(2x-9) =0 (d) (2x-3)(2x-9)<=0

If 4:3=x^(2):12, then the value of x(x>0)16( b) 4(c)9(d)3

The number of real solution of 2sin(e^x)=5^x+5^-x in [0,1] is (A) 0 (B) 1 (C) 2 (D) 4