Автор - Diler239

Помогите упростить выражение номер 1.13

Ответ

Проверено экспертом

Автор - Universalka

1)((a^{pi }+b^{pi })^{2}-(a^{pi}-b^{pi})^{2})^{frac{1}{pi}}=((a^{pi }+b^{pi }-a^{pi}+b^{pi})(a^{pi}+b^{pi}+a^{pi} -b^{pi})^{frac{1}{pi}}=(2b^{pi}*2a^{pi })^{frac{1}{pi}}=(4a^{pi }b^{pi })^{frac{1}{pi}}=4^{frac{1}{pi}}ab

2)frac{a^{2sqrt{7}}-a^{sqrt{7}}}{a^{4sqrt{7}}-a^{3sqrt{7}}}=frac{a^{sqrt{7}}*(a^{sqrt{7}}-1)  }{a^{3sqrt{7}}*(a^{sqrt{7}}-1)}=frac{1}{a^{2sqrt{7}}}

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