If m+ n = 13 and m n = 19 then find the value of ( 2 + 2 )
Answers
Step-by-step explanation:
Creating a study plan allows you to see how you spend your time, and ensures that you are setting aside enough time outside of class to complete homework assignments, study for tests, and review and retain the information .
The trick to creating a study schedule is to plan to study at the same time every day so you actually have a schedule you can memorize without constantly ...
1. Establish short-term and long-term goals for studying. It wi...
2. List all the subjects you need to study. Perhaps the first s...
3. Figure out what you need to do for each subject or exam. Now...
4. Prioritize your list. After you’ve made a list of all the su...
5. Divide your available time during the week into study blocks...
6. Reserve time for non-academic activities. While blocking off...
Answer:
Given, m−n=16 and m2+n2=400
We know that, (m−n)2=m2+n2−2mn ... (i)
By putting the given values in equation (i),
(16)2=400−2mn
256=400—2mn
256−400=−2mn
—144=−2mn
72=mn