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Can someone help with this pls!! Thank u!

Can Someone Help With This Pls Thank U class=

Sagot :

Sejayadav2111idn

Answer:

(a+bi)×(b+ai)

=>ab+a²i+b²i+abi²

=> ab+(-1)ab+(a²+b²)i

=>(a²+b²)i

so we can say it is purely imaginary number

hope it helped!

Qpcnbmidn

Answer:

(a+bi)×(b+ai)

=>ab+a²i+b²i+abi²

=> ab+(-1)ab+(a²+b²)i

=>(a²+b²)i

Step-by-step explanation:

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