Ex 4.1, 2 - Chapter 4 Class 11 Complex Numbers

Last updated at August 11, 2026 by

Ex 4.1, 2 - Express in a + ib: i9 + i19 - Class 11 Complex - Ex 4.1

 

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Ex5.1, 2 Express the given Complex number in the form a + ib: i9 + i19 ๐‘–^9 + ๐‘–^19 = i ร— ๐‘–^8 + i ร— ๐‘–^18 = i ร— (๐‘–2)^4 + i ร— (๐‘–2)^9 Putting i2 = โˆ’1 = i ร— (โˆ’1)4 + i ร— (โˆ’1)9 = i ร— (1) + i ร— (โˆ’1) = i โ€“ i = 0 = 0 + i 0

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