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Evaluate the following: (i) i^403 (ii) 1/i^58 (iii) i^-888 (iv) i^30 + i^40 + i^50 + i^60

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Evaluate the following:

(i) i403

(ii) 1/i58 

(iii) i-888 

(iv) i30 + i40 + i50 + i60

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We know that, i2 = -1, i3 = -i, i4 = 1

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