Представьте в виде дроби:
а) [tex] \frac{1}{5c-d}- \frac{1}{5c+d} [/tex]
б) [tex] \frac{7}{a+5}- \frac{7a-3}{a ^{2}+5a } [/tex]
а) [tex] \frac{1}{5c-d}- \frac{1}{5c+d} [/tex]
б) [tex] \frac{7}{a+5}- \frac{7a-3}{a ^{2}+5a } [/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
A) =(5c+d-(5c-d))/((5c-d)*(5c+d))=2d/(25c^2-d^2)b) =7/(a+5) - (7a-3)/(a*(a+5))=(7a-7a+3)/(a*(a+5))=3/(a*(a+5))