मराठी

Evaluate the following: i30 + i40 + i50 + i60 - Mathematics and Statistics

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प्रश्न

Evaluate the following: i30 + i40 + i50 + i60 

बेरीज

उत्तर

We know that, i2 = – 1, i3 = – i, i4 = 1
= (i4)7 i2 + (i4)10 + (i4)12 i2 + (i4)15
= (1)7 (–1) + (1) + (1)10 + (1)12 (– 1) + (1)15
= – 1 + 1 – 1 + 1
= 0.

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Imaginary Number
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Complex Numbers - EXERCISE 3.1 [पृष्ठ ३८]

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बालभारती Mathematics and Statistics 1 (Commerce) [English] 11 Standard Maharashtra State Board
पाठ 3 Complex Numbers
EXERCISE 3.1 | Q 4) vii) | पृष्ठ ३८
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