Let me know if this doesn’t make sense
15. If a+b=6 and ab=9 that means a and b must each equal 3. Then plug it into the equation and solve. (3)3+(3)2 = 15
Hello
All square numbers ends with 0,1,4,5,6 or 9 at units place.
Answer:
y = 7
Step-by-step explanation:
Equate the equation to equal 0.
8(y-7) = 0
Open up the bracket:
8y - 56 = 0
Add 56 to both sides:
8y = 56
Divide both sides by 8:
y = 7
Answer: 
Step-by-step explanation:
Given
The complex number is 
Complex number in polar form is given by

Compare it with the given complex number
and
which implies
must be 
So, in the polar form, it is
