Elementary Algebra : Embracing the First Principles of the Science
The book Elementary Algebra : Embracing the First Principles of the Science was written by author Charles Davies Here you can read free online of Elementary Algebra : Embracing the First Principles of the Science book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary Algebra : Embracing the First Principles of the Science a good or bad book?
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What is the square of the binomial a + 11 Ans. a* + 2a + 1, 6. What is the square of the binomial a — 1 ? Ans. a= — 2a + 1, 7. What is the cube of 9a — 36 ? Ans. 729o3 - 7290=5 + 24306" — 276'. 8. What is the third power of a — 1 ? Ans, a' — So" + 3a - 1. or POWERS. 149 9 What is the 4th power of x — yl Am. X* — Ax^y + Ga^y^ — 4a;y' -}- y*. 10 What is the cuhe of the trinomial a; + y + z ? Answer. x'+3x'y+3x''z+3xy^+3xz'+3y^2+3yz'+Gxyz+y3+z^ 1 1 . What is the cube of the trinomial Ha' — 4ab + 3...6^ 1 Answer. Ha — 4Sa^b + I32a*b^ — 208a^3+ IGSa^S*— 108a6*+275« To raise a fracfion to any power. 83. A power of a fraction is obtained by multiplyipg the fraction by itself a certain number of times ; that is, by multiplying the numerator by the numerator, and the deno- minator by the denominator. a Thus, the cube of -^ which is written 6 [t) -t a a a? is found by cubing the numerator and denominator sepa- rately. 2. What is the square of the fraction -; 1 b + e We have i a — e y_{a—cY_ a^ — ^ac + y.
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