Ashyson
Answered

Westonci.ca connects you with experts who provide insightful answers to your questions. Join us today and start learning! Find reliable answers to your questions from a wide community of knowledgeable experts on our user-friendly Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

Evaluate the expression 4-7i/7+4i

Sagot :

The answer is negative i because they cancel each other out except for the i
heyDB
Multiply by (7−4i)/(7−4i) to make the denominator of (4−7i)/(7+4i) real.
(4−7i/7+4i)(7−4i/7−4i)

Expand (7+4i)(7−4i) using the FOIL Method.
(4−7i)(7−4i)/7(7)+7(−4i)+4i(7)+4i(−4i)

Simplify.
(4−7i)(7−4i)/65

Expand (4−7i)(7−4i) using the FOIL Method.
4(7)+4(−4i)−7i(7)−7i(−4i)/65

Simplify each term.
28−16i−49i−28/65

Simplify
−65i/65

−i
Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.