It is the angle where it says "A".
Answer:
3rd box
Step-by-step explanation:
BRAINLIEST PLEASE
rationalise the denominator by multiplying both top and bottom by (8-5√3) then expand and simplify
Answer:
3 + 5i.
Step-by-step explanation:
(2−√−4)+(1+√−49)
√−4 = 2i and
√−49 = 7i.
So (2−√−4 + (1+√−49
= ( 2 - 2i) + (1 + 7i)
= 3 + -2i + 7i
= 3 + 5i.
