Даю 25 балов,помогите!!! 1.упростить выражение:
а)b/a-b + a/a+b
б)15x+y/x^2-y^2 + 11/x-y
в)x/x^2-25 - x-8/x^2-10x+25

2.доказать тождество:
x+y/x-y + x-y/x+y = 2(x^2+y^2)/x^2-y^2
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.