8. IX. 6.7 6. 8 oz. I lb. VIII. STATICS. (x-4)* =0, x-2a=0. = DYNAMICS. miles. ARITHMETIC. 000001645, 51. 9. Sum x2+(3+n) ax+3a2. (ii) IO. I. 5. 3, 3, 2. 5: n n-. • 2. 6. 22: C a2 (2) 13 and 24. na + (n + 1) b 2n + I 71'4 yds. II. : c. II. 4. LII. 11S. 3d. 7. 9. 7693, 40'5. 13. £1.9049. 35. 10. 41. 12 sq. ft. 81 in., £12. 8s. 6d. 14. 15. 16. 1007.67 lbs. (if packed in line 1018.3 lbs.). 17.0000790123456. 18. 60 days, 12 hrs. 16'. 19. 15'44. 9488474, 3344539, 37781513: value=6*240325; 19 and 20. 21. 10.08. 20. (cot 0+1). 7. p2=mr. x2 III. ALGEBRA. 1. x2+x3-a2x3 + ~ 2+ a2x−x+1, 2. x2-x+1. 3. (1) II. At angle cos-1 to the bank : perpendicularly. 3 oz. July, 1887. I. 18. 2. £46. 55. 6. £56. 15s. 4 d. 8. Is. 200832d., 90044890873015. 2 5. height. 3. I. 25. I1d. 12. Int. : Disc. = 5:4. x(x-a) (x-y)" 2a2+b3±b√√b4+8a3b − 4ab3 + 4a 2 (a2 - b2) last term (-3)2n−1 : sum – 2n, last term 1 – 42. IO. 12. IV. TRIGONOMETRY. I. sin A, cos A=, cot A=, sec A=, cosec A=§. 7. 49° 28′32′′. 8. I93753, I-76143. II. Height=27-3307189, CD=173 ft. 9. 120o. 2. V. PURE MAth. (1). A circle on line, drawn from pt. perpendicular to given line, as diameter. 4. - 14. 6. St. line. 7. y=a±ex. 1. 36 −6y4+9y2 – 2. II. 28, 3. 1221759, 720. 35. 4d. in the £. Land: personal property=2 : 3. 6. 5. A little less than 36 years. ea+e-a sin ẞ, e-a-ea II. 4, ±√√3. 12. 2, 2, (±√3). 13. rx3- (qr-2q) x2 + ( pr2 − 4pr + 4p) x − : 8. II. VI. PURE MATH. (2). A=C=1, B=-D= VII. PURE MATH. (3). x a2 > I (a2 – x2)# ' d3y dx3+6 a√m + n mn n d2y dx2 7. x-4 log (1+x) – (m>n). dy dx' VIII. STATICS. 3. 2, 9 lbs. cos B: 4 ny mx 4. 7P. (2) 8. 7. 120. ега 1 + x − (2n+1) x2 + (2n − 1 ) x2+1 (1 − x)2 sin zna 2 sin a (sin x)* {log sin x + x cot x}. 4. x2+x3. -=m+n. 1. 6 lbs. 2 (ea+e-a) te 8. 2 (ea-e-a) '+2 cos 28' 2a +e-2a + 2 cos 2ẞ -2a 2a - p3 +6r22 − 12r+8=0. , log (2x+1+2√√1+x+x2) or sin−1 5. 3 lbs., 3808 ft.-lbs. 5. aa (1-loga). 2x I No5 (r log x − 1). IX. DYNAMICS. I. 2 f. s. 2. v cot 0. 3. Accel.=4f. L=32T2 (Lft.=unit of length, 7 secs. = unit of time). 8. A parabola. November, 1887. IO. II. ARITHMETIC. I. 899910. 2. £19. 15s. 6d. 3. 431. 5. 00212, 21200. 6. 27765625, 2 qrs. 7 lbs. 7.788, 8.54854470131697. 8. £1. 165. 9. £150. 10s. 51d. 14'0700007. II. 8 cub. ft. 656 in. 12. 12 yrs. 13. £3. 14. 120 days. 15. 165. 16. 34. 17. 4,5*3692159, 1*3692159, 2*3692159. 18. 0189694. 19. 367182. 20. (1) £6000. (2) £131501. 5s. 8d. I min. 52 sec. after the dog started. 22. £819. 65. 2·669d. 21. III. ALGEBRA. 4. (1) 2. (2) 8. (1) 6a+b, za−b. 10. 180. 11. 210. 6. 6. TRIGONOMETRY. IO. I. 34xy 2 12. (−1) IV. 2 tan A (1 - tan2 A) " 12. 5. †n (n − 1), 2n (n − 2). sin V. PURE MATH. (1). 4. a2 62 7. √a2+b2' √a2+62° I - 2x cos 0+x2° d2+ 2ed x (a + 1) − y (b -- 1). 6. π 4 VI. PURE MATH. (2). 3. y=1+3x2 – }x1+f3x5. ...=x+ 6. 188. II. 2 Nπ 3π + {b2c2+a2c2+a2b2}. x2-y2=c2, Rect. hyperbola. 10. xx+y=0. (1) A pt. at the origin. (2) 3 st. lines-axis of y, x-y=0 and x+y=0. (3) Four points x=±a, y=±b. π 1-No3 " 3 2√2 π I I + 2x 8x3 8. (3) -5. tan- tan n ̧, z (r+ 1) (r + 2) (r+3). 3. x2+7xy-y2. 3 16x5 n - I. 8. 20'97615. 9. 1020 yds. 2,2, -1. 9. (a+b3). 2π (n − 1) π n 5. A parabola. 3π tan n tan I. a 8. y = ±x+22 10. I, I, 3. 64, 11 lbs. 8. 5 in. IO. 2a, 4. 115200 ft. a 2 IV. TRIGONOMETRY. 57° 16' 2111". 4. 5. 3. cos a + cos 2a + cos 3a + cos 4a. 10. A=105° 27′ 35′′, B=15° 5′ 20′′, c=2°44844. 6. π 3√3 16. 3. ca-a2c+b2c-bc2 + a2b- ab2 abc (a - b) (b−c) (c − a) 7. (a) -20, (b) 5, (c) a and b. 12. 3. 22. 2 miles or 24' after. 8. 2x (x − a) a II. V. PURE MATH. (1). 9. tan-110. 10. A parabola with same vertex and 4th the parameter. 12. (i) Axis of y and a hyperbola. (ii) 2 st. lines. 8. 14 13:31. £5. 195. 2d. 6, -6, 5. 2x2+3x-1 4. 14'56 lbs. 19. 198.5365. 149, 1317160. απ 12 a π 8. 538461. 12 39: 33: 25. (iii) A parabola. 4. 2 α VII. PURE MATH. (3). 2 6. 180. a 6. (1) 172. 16 - 3a2 2 √ax+x2+ a log VIII. STATICS. W2 4 I 6 : max. IX. DYNAMICS. 8. 68 033 miles per hour. x (b-a) (b-c) a2+b2+c2 −ab− ac - bc' e 9. sin-1 2. √x + √a+ x 2. lb. . BC from the hinge. 7. 1, 9 galls. 12. Slightly over 125 years. I. 2x-I No5 W 32 II. (i) πα?. 3. I √1 − x2 I 6. I. I. - 2x2+ 2x3- 4xa+6x3. 3. (c-a) (c-b) a2+b2+c2 - ab - ac - bc November, 1888. mx ny D-d 9. 80000 ft. I x2 - a2 cos3 x - cos x, (ii) rab. 3. 2BC. + =m+n. IO. II. ALGEBRA. 3. 4x2-6x+9, (2x+3)(16xa+36x2 +81) (6x2 − 5x − 6). x 5. b24ac. (2) a+b, and 1⁄2 (a+b). (3) 9, 6, 4 or 4, 6, 9. 2m+ I 9. 15. V. mm + I a x √√x2 - a2 |