Question:medium

Express the given complex number in the form \(a + ib: 3(7 + i7) + i(7 + i7)\)

CBSE Class XI

Updated On: Jan 27, 2026

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Solution and Explanation

3(7 + i7) + i(7 + i7)

=21+21i +7i+7i²

=21+28i-7

=14+28i (Ans.)

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