객관식Find the product of the given complex number and its conjugate. −7−i-7-i−7−i434views21rank1comments
객관식Find the quotient. Express your answer in standard form. 6+i4−2i\(\frac{6+i}{4-2i}\)4−2i6+i412views11rank
객관식Find the quotient. Express your answer in standard form. −5+3i−7−4i\(\frac{-5+3i}{-7-4i}\)−7−4i−5+3i389views12rank1comments
객관식Write the complex number in standard form. 9+−163\(\frac{9+\sqrt{-16}\)}{3}39+−16632views17rank1comments
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)459views17rank
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)430views10rank
객관식Perform the indicated operation. Express your answer in standard form. (3+8i)2\(\left\)(3+8i\(\right\))^2(3+8i)2524views12rank