5. Вычислите: −13 · (−2/13 · √7)².

Question

(−2/13 · √7)² = 4/169 · 7 = 28/169.

−13 · 28/169 = −28/13.

Ответ: −28/13.

Accepted Answer

(−2/13 · √7)² = 4/169 · 7 = 28/169.

−13 · 28/169 = −28/13.

Ответ: −28/13.