Question

Упростите выражение:

Answer 1

1)√a-1/√b-1/√ab+1=√a²b -√a -1 +√ab   /√ab =
=(√a²b+√ab)-(√a+1)   /√ab=√ab(√a+1)-(√a+1) /√ab=(√a+1)(√ab-1) /√ab
2)1-√a /a√b=a√b-√a  /a√b=√a(√ab-1) /a√b
3)(√a+1)(√ab-1) /√ab  *  a√b  / √a(√ab-1)=(√a+1)*a√b  / √a²b=√a+1