Introduction to Algebra for the Use of Secondary Schools And Technical Colleges
The book Introduction to Algebra for the Use of Secondary Schools And Technical Colleges was written by author G George Chrystal Here you can read free online of Introduction to Algebra for the Use of Secondary Schools And Technical Colleges book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Introduction to Algebra for the Use of Secondary Schools And Technical Colleges a good or bad book?
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V12 and V27. 11. 5 + 7V2 and (29 + 47V2)/73. 12. Insert four mean proportionals between 6 and 192. 13. Given the third and fifth of a series of quantities in continued proportion, find the first and fourth of the series. 14. Find two numbers such that their sum, their difference, and the sum of their squares are in the ratio 5 : 3 : 51. 15. Three positive quantities are in continued proportion. The difterence between the greatest and least is 624, and the other number is 91. What are the number...s ? 16. Three numbers are in continued proportion ; the middle number is 12 and the sum of the others 25 ; find the numbers. 17. Lix-x' :y-y' = x + x' :y + y', show that £C :a;' = 2/ • ?/'• 18. Lix-\-x' :y + y' = xx' \yy', show that a;?/ : a; V = ?/ - a; : cc' - y'. 19. Li{a + b + c-^d){a-b-c + d) = {a-b + c-d){a + b-c-d) then a, 6, c, d are" proportionals. i8 274 EXERCISES ch. Xviii 20. Li a:b = c:d, show that ab + cd is a mean proportional between a2 + c2and&2 + (^2^ 21. If {a + bx)/{b + cy) = {b + cx)/{c + ay) = {c + ax)/{a + hy), then in general each is equal to {l+x)/{l + y).
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