Elements of Algebra Embracing Also the Theory And Application of Logarithms
The book Elements of Algebra Embracing Also the Theory And Application of Logarithms was written by author Davis W Clark Here you can read free online of Elements of Algebra Embracing Also the Theory And Application of Logarithms book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elements of Algebra Embracing Also the Theory And Application of Logarithms a good or bad book?
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35 ^ 3. Find the values of x in the equations 4a: — =46. X Ans. 37=12, or — f. 2a? X Find the values of x in the equation a?^+— - — -=8- 273 ^x", Ans. 07=4, or — 4-t» 12 6 " J 11 5. Find the values of x in the equation 2a7^+8a7+7= — 4 ^--\-\m. Ans. A:=8, or —11/, . 8 6. Find the values of a: in the equation - — _+7|-=8. Ans. A?=:l|, or — |. 7. Find the values of x in the equation 8— a: 2a?— 11 2 a?— 3 ^H?. Ans. X=^, ox\, 6 8. Find the values of a? in the equation 5a?- + 4a? =273. Ans. A? =7, or... — 7|. PARTICULAR CASES OF AFFECTED aUADRATICS. 331. It is evident that every equation of the form a?'"+2pa?"=^ r SECT. VII. ] AFFECTED EQUATIONS. 215 may be solved by the preceding rules ; for, let y=x^, and 3^=0^*", and the above equation will become f^2py=q; Completing the square, y^+2py-^p^=q-{-p^ ', Evolving and transposing - y= — p±: Vg^p'i Substituting the value of y - x'*= — p±>/q-\-p*i Evolving - - - - x=\/ — p±Vq-\-p*' 332. Equations also occur in the form > I 1 t Let y=x", then y*=a?" ; and substituting these values, f-^2py=q; ^ Reducing - - - - y=—p±Vq+p% Or ar=-p±^g^p*'^ Involving to the nth power - x=(—p±y/q-\-p^)\ These equations may be readily solved without the for- mality of substitution.
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