Option (C.)is the answer...
3root 5-4root3
Hope this helps u.....
Conjugate basically means
That if the sign is + it will change to -
The answer to the question
<h2>
</h2><h2>Mean of 62,78,59,89?</h2>
As we know that ,
<h3>⠀⠀⠀⠀Mean= sum of all numbers/ total number of numbers </h3>
Mean= 62+78+59+89/4
Mean = 288/4
<h3>
Mean= 72</h3>
<h2>
</h2>
Answer:
c is your answer
Step-by-step explanation: