ADDITIONAL ERRATA

IN

VOLUME I.

PAGE

61. line 14. 15, from bottom, for foot read root.

65. note, 1. 9, annex the factor b to the bracketted expression.
69. note, 1. 15, for powers of n read powers of x.

71. line 6 from bottom, for tenth read truth.

79.

5 from bottom, for 2 - 6 read 2-8=-6.
80.20 from bottom, for 2, 4, 6, 10, &c. read 2, 4, 6, 8, 10, &c.
104. 11 from bottom, dele should.

108.
110.

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— 5, for n read m; and in note † for m + r = m − r + r = m read m+r=
n − r + r = n; and in note ‡ for a3 a3 read a3 3, and for c3 read b3.

115. line 1. for (2ac + c2a read (2ac c2); line 5, for √2ac+c read √2ac+c2;

for acd

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d+23 read acd

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d = 23.

line 14,

117. Ex. 10, for xxy read xy; and in Case II. Ex. 7. 1, 1, for a read a; and in 1. 4, for
x read x2.

118. Ex. 9. line 5, for (x + y)3 read (a + y); and in Ex. 10. line 2, for ✅ read ↓.
- 1. line 2, for cdy read cdx; and in Ex. 2. Answer, for (3d2b) read (3d
124. line 1, for x read a; 1. 2 from bottom, for (a - b) read (a + b).

119.

− 1, for + x3 read 23; Question 12, for 2 read a3; and for

142. note, line 5, for a 2 read a3-2; and in line 1 from bottom, for y read z.
144. line 9 from bottom, for 2x read 2z; and in 7, for (-14) read (— 1)1.

148. last line, for 3 read 3.

149. Ans. 2nd for (57·2) read (5-2); and 3rd for (52) read (5-2).

150. Ex. 3. Prob. III. for 75 read 45. Note II. line 3, for 3/ read 3/a, in the denom.

152. Prob. VII. Ex. 2. write 3 before 280, 56, 8; and for √ read 2/7.

154. Ex. 10, for 3/bx read ✅ bx; and Ex. 12, for 2x X x2 read 2x + x2.

156. line 3, for 109 read 199; line 15, for x read x2. In Ex. 8, interchange the signs of

175.

- 1, for conveyancy read
, &c. read -2, — 1,

line 3 from bottom, for

convergency; Table, line 2, for-read 7; line 7, for

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·41, -17, -53, -8; next line, for 2040 read 2048;

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read

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23

1

1
; and last line insert between and
33
86 11.

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6, prefix another 0; and dele 0 from line 8; line 15, for 1081424 read 1103424, and
correct the resulting work, giving for 672, in the answer, line 6 from the bottom,
708.

182. Qu. 11. Ans. a. Qu. 14, for a read x1. Qu. 15. Ans.

185. 8. Ans. for (+ √31⁄2 ) read? ( √ 1⁄2 + √

187.

188.

189.
191.

194.
195.

a

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b

α

·y3. Qu. 8, for (a — x) read a (x − y). Qu. 12. Ans.

5.4%, y = 628.

· 8, for x = (bc — xy) = read x (bc — xy) =.

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10, last denominator in the answer, for bcln read beln. Qu. 13, for az,
a2z, b2z, c2z.

- 9. Ans., for 6s. 3d. read 4s. 3d.

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- 26, for 84 sec. read 2418. Qu. 30, 31, belong to Quadratics.
196. note, line 13, for √(b + ‡a2) — § read √(b + ‡a2) — ža.

198. Qu. 10. Ans. read or ( − 1 ± √ −59)2. Qu. 11. Ans. read x = ±

1.

Qu. 15.

202. for b read b2 throughout the wrought question. Qu. 3, second equation for (x2 + y2)2

208. Qu. 26, after "parcel" insert valued 18 shillings; Qu. 27, for 100 read 120.

209. note, for x2 read x2; for y1o read yo; for - 10 read 4; and for y10 — 4 y° + ·1 y3—•5,

210. line 4, for 6x2 read 622; in 1. 13, for 34·5x2 read 34-522; and in 1. 19, for 1522 read

note, line 2, for ax read az ; 1. 7, for (a) read (a); and 1. 9, for 23 and y3 read 2x3

and 2y3.

- 18, for x read y.

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213. —3, read ± {√(p2 + 2n + q) x √n2+s}, and enclose the preceding line in a

vinculum, in the same manner.

- 19, for

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224.

6 read +6, and make the corresponding alteration in the subsequent line.
Question 3, for ±√2±√ F 3√2 − § read ± {} √2 ±√ F 3 √2 − }}

— 5, note, for × read +.

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225. in the last example, for 3·438 read 2.292, and correct the result. Also, in the last line,

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N-

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229. Ex. 1, for 9x3 + 6x2 read 6x3+9x2; and for (x + 1)3 (x − 1) read (x + 1)3 (x − 1)2;
and make the next line agree. For VI. read VII. Note, line 3, for в read B′; line
6, for x- i read xi; line 8, for x - 1, x 2, read n-
1,
- 2; line 9, for
x2-3, x2-4 read x2-2, -3; in line 10 read an-3 and an-4; line 14, for m—n read
m; line 15, annex ¿2 to the third term; and in the second vinculum, for y'i X z' ï3
read y'iz'i2.

230. line 9, for x = 3 read x

232.

read +72x2.

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3; line 14, dele to 2m + 1; and note, line 15, for -72x2

– 13, 17, 18, for 4. 5, 6, read 6, 7, 8, respectively. In Ex. 2, interchange the signs of
the addends to a throughout, and the consequent phraseology. Also, line 30, read
their for three; and, line 32, read (5)+ 1 − 1·5 + 1·5 -3.25 +4.5625—2.59375;
and correct the consequent numbers in the text.

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234. bottom line, for increased division read increase.

235. line 16, read 30+5 or 35 is, &c.; and for x+602x2 read x3+602x2.
236. Ex. 2, read x5 + 4x4 -2x3 + 10x2 -

2x-962= 0; and in the second col. headed -2,
insert between the 6th and 7th lines 997·1611

169-4514

239. line 16, for ca2, on second side of equation, read ca2; and lines 17 and 18, for x+1

277.5 from bottom, for invention read insertion; and for expressions read equations.

- 3 from bottom, for minus read minor.

14 from bottom, interchange the words triangles and rectangles.

· 13, for HK, read to HK; and line 22, for is the read is in the.

- 3 from bottom, for base a read base of a.

6, for to the sum read to double the sum; and line 1 from bottom, for therefore

397. In the value of cos. A dele a from the denominator; and in the value of cos. B, for

414. Ex. 30, for 800 and 750 read 80 and 75; and for 58° 15′ read 68° 15′.

467. Question 51, answer, for 8 read 2 in the numerator.

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