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Express the given complex number in the form a + ib: i9 + i19

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प्रश्न

Express the given complex number in the form a + ib: i9 + i19

योग
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उत्तर

i9 + i19 = i8.i + i18.i.

= [i2]4.i + [i2]9. i

= (-1)4 i + (-1)9 i

= i + (-1)i

= i – i = 0

= 0 + 0i

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अध्याय 4: Complex Numbers and Quadratic Equations - EXERCISE 4.1 [पृष्ठ ८२]

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एनसीईआरटी Mathematics [English] Class 11
अध्याय 4 Complex Numbers and Quadratic Equations
EXERCISE 4.1 | Q 2. | पृष्ठ ८२

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