MATEMÁTICA - MARINHA - AA/AFN - 2023 - QUESTÃO 06

📘 COMMENTED SOLUTION – Math for the Navy Auxiliary Officer Exam ⚓ Are you in the Navy and want to pass this exam? Subscribe to the channel, activate the bell, and follow our content focused on you! 📌 Your contribution helps maintain the channel. Pix code: [email protected] 📌 Leave in the comments what topic or content you'd like to see in future videos. Let z be a complex number in the form z = a + bi, where a and bER, b0, and i is the imaginary unit. Select the option corresponding to the product z ž, knowing that log.212 a = 1/2, b is the imaginary part of the complex number q = 7 + 2i, and ž is the complex conjugate of z. (A) 1 (B) 16 (C) 40 (D) 40 (1-i sin(30°).cos(30°)) (E) -16.(1 + i sin(30°).cos(30°))