" (ix) "4sqrt(-5)-1

min[(x_1-x_2)^2+(5+sqrt(1-x_1^2)-sqrt(4x_2))^2],AAx_1,x_2 in R , is (a) 4sqrt(5)-1 (b) 3-2sqrt(2) (c) sqrt(5)+1 (d) sqrt(5)-1

If sin2theta=cos3theta"and"theta is an acute angle, then sintheta equal (a) (sqrt(5)-1)/4 (b) -((sqrt(5)-1)/4) (c) (sqrt(5)+1)/4 (d) (-sqrt(5)-1)/4

If sin2 theta=cos3 theta and theta is an acute angle,then sin theta equal (a) (sqrt(5)-1)/(4) (b) -((sqrt(5)-1)/(4))( c) (sqrt(5)+1)/(4) (d) (-sqrt(5)-1)/(4)

If sin2theta=cos3theta"and"theta is an acute angle, then sintheta equal (a) (sqrt(5)-1)/4 (b) -((sqrt(5)-1)/4) (c) (sqrt(5)+1)/4 (d) (-sqrt(5)-1)/4

min[(x_1-x_2)^2+(3+sqrt(1-x_1^2)-sqrt(4x_2))^2],AAx_1,x_2 in R , is (a) 4sqrt(5)+1 (b) 3-2sqrt(2) (c) sqrt(5)+1 (d) sqrt(5)-1

The value of cos48cos12 (A) (sqrt(5)+3)/(8) (B) (3-sqrt(5))/(2) (C) (sqrt(5)+1)/(4) (D) (sqrt(5)-1)/(4)

sqrt(4sqrt(-5)-1)=

min[(x_(1)-x_(2))^(2)+(3+sqrt(1-x_(1)^(2))-sqrt(4x_(2)))],AA x_(1),x_(2)in R is (a)4sqrt(5)+1 (b) 3-2sqrt(2)(c)sqrt(5)+1(d)sqrt(5)-1

Let the complex numbers z of the form x+iy satisfy arg ((3z-6-3i)/(2z-8-6i))=pi/4 and |z-3+i|=3 . Then the ordered pairs (x,y) are (A) (4- 4/sqrt(5), 1+2/sqrt(5)) (B) (4+5/sqrt(5),1-2/sqrt(5)) (C) (6-1) (D) (0,1)

Let the complex numbers z of the form x+iy satisfy arg ((3z-6-3i)/(2z-8-6i))=pi/4 and |z-3+i|=3 . Then the ordered pairs (x,y) are (A) (4- 4/sqrt(5), 1+2/sqrt(5)) (B) (4+5/sqrt(5),1-2/sqrt(5)) (C) (6-1) (D) (0,1)