To eliminate the i in the denominator, you multiply it by (6+5i), because (a+b)(a-b)=a²-b², we need i² to eliminate i. Recall that i²=-1
-1(6+5i)/(6-5i)(6+5i)=(-6-5i)/[6²-(5i)²]=(-6-5i)/(36-25i²)=(-6-5i)/61
your choices are all correct. You need to check the 7th answer as well.
Answer:
None of the above
Step-by-step explanation:
7/10=70/100
Answer:f
−
1
(
x
Step-by-step explanation:
Tje answer is A . 2.76 x 10^8 m/h