(3 - 2i)(3 + 2i) . Its form is (a - b)(a + b) = a² - b²
( a = 3 and b = 2i)
(3)² - (2i)²
= 9 - (4i²) , but 1² = -1
= 9 - (-4) = 9+4 = 13
So (3-2i)(3+2i) = 13
Answer:
-125
Step-by-step explanation:
Answer:
242.76
Step-by-step explanation:
multiply the base times the hight 35.7 times 13.6 then devide it by 2 to get your answer