Question

9) If (a + b) - i (3a + 2b) = 5 + 2i then the values of a and b
respectively are.
a) 10, 12
b) 12, 17
c)-12, 17
d) 17, 10
​

Answer 1

Answer:

We have,

(a+b)−i(3a+2b)=5+2i

⇒a+b=5 and −(3a+2b)=2

⇒a=−12 and b=17