교과서 질문Identify each number as real, complex, pure imaginary, or nonreal complex. (More than one of these descriptions will apply.) -6 -2i1632views
객관식Find the difference. Express your answer in standard form. (2+8i)−(4−i)\(\left\)(2+8i\(\right\))-\(\left\)(4-i\(\right\))(2+8i)−(4−i)987views13rank
객관식Find the sum. Express your answer in standard form. 5(4+7i)+6(3−2i)5\(\left\)(4+7i\(\right\))+6\(\left\)(3-2i\(\right\))5(4+7i)+6(3−2i)899views5rank
객관식Perform the indicated operation. Express your answer in standard form. (3+8i)2\(\left\)(3+8i\(\right\))^2(3+8i)21013views10rank
객관식Find the product. Express your answer in standard form. 2i(9−4i)(6+5i)2i\(\left\)(9-4i\(\right\))\(\left\)(6+5i\(\right\))2i(9−4i)(6+5i)888views16rank