oneplus 3 ithe whole square into 3 + i
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I hope your question is : " ( 1 + 3i ) ² × ( 3 + i ) "
Answer ☺☝✍
( 1 + 3i ) ² × ( 3 + i )
= ( 1² + (3i)² + 2 × 1 × 3i ) × ( 3 + i )
= ( 1 - 9 + 6i ) × ( 3 + i )
= ( -8 + 6i ) ( 3 + i )
= -24 + 18i - 8i + 6i²
= -24 + 10i - 6
= ( - 30 + 10i )
Answer ☺☝✍
( 1 + 3i ) ² × ( 3 + i )
= ( 1² + (3i)² + 2 × 1 × 3i ) × ( 3 + i )
= ( 1 - 9 + 6i ) × ( 3 + i )
= ( -8 + 6i ) ( 3 + i )
= -24 + 18i - 8i + 6i²
= -24 + 10i - 6
= ( - 30 + 10i )
yashu1110:
thank u 4 your help but the ans given in the text is -30i +10i
is my question correct?
now its correct !!!
yuppp
yuppp
☺✌
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