16. The value of the integral sinosine (sin 0+sin* 0+ sin0) 2 sin 0+3sin0+6 1-cos 20 [9-2sin 0-3sin* 0-6 sin0]+c (b) -de (where c is a constant of integration) (a) 18 1 18 [11-18 cos 0 + 9 cos * 0-2 cos 0]+c 3 +C 3 (c) [11-18 sin0+9sin 0-2 sin 0] + 0]+c +C (d) [9-cos 0-3 cos 0-6 cos 0]+ 18 18 17. The coefficients a, b and c of the quadratic equation, ax + bx + c = 0 are obtained by throwing a dice three times. The probability that this equation has equal roots is: (a) 72 18. 1 (b) 54 1 (c) 36 5 (d) 216 The equation of the line through the point (0, 1, 2) perpendicular to the line x-1_y+1_z-1 = = 2 3 -2 (a) 19. = y-1 z-2 = 3 4 3 is: sh X ksna (b) V-1-2-2 (y-12-2 == -3 4 3 X -1-2-2 (d) -V-12-2 3 4 -3 3 -4 3 The integer 'k' for which the inequality x-2(3k-1)x+8k-7> 0 is valid for every x in R, is: (a) 4 (b) 3 (c) 0 The image of the point (3, 5) in the line x - y + 1 = 0, lies on: 20. (a) (x-4)+(y+2)=16 (c) (x-2)+(y-2)=1 12 (d) 2 (b) (x-2)+(y-4)=4 (d) (x-4)+(y-4)=8