Question

kaal mera paper h kya questions a sakta h
mera computer ka paper h 9th class
tell me some questions ​

Answer 1

Answer:

(a+ib)(1+i)=(2+i)

=>a+ib=

1+i

2+i

×

1−i

1−i

=>a+ib=

1+1

3−i

=>a+ib=(

2

3

)+(

2

−1

)i

Therefore, a = 3/2 and b = -1/2

Hope, it'll help you..