Объяснение:
4√ab-11√ab -15√ab+18√ab= -4√ab
Ответ:
√16ab - √121ab -(5√9ab-3√36ab=
=√4²ab -√11²ab-5√3²ab +3√6²ab=
=4√ab -11√ab -5*3√ab +3*6√ab=
=4√ab -11√ab -15√ab +18√ab=
=22√ab - 26√ab=-4√ab
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Объяснение:
4√ab-11√ab -15√ab+18√ab= -4√ab
Ответ:
Объяснение:
√16ab - √121ab -(5√9ab-3√36ab=
=√4²ab -√11²ab-5√3²ab +3√6²ab=
=4√ab -11√ab -5*3√ab +3*6√ab=
=4√ab -11√ab -15√ab +18√ab=
=22√ab - 26√ab=-4√ab