Math, asked by vishuhhp74cfh, 1 year ago

Solve these 1st 2 problems

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Answered by khuloodd
1
=i⁴⁸⁺¹+i⁶⁸+i⁸⁸⁺¹+i¹¹⁰
=(i⁴⁸)(i¹)+(i⁶⁸)+(i⁸⁸)(i¹)+(i¹¹⁰)
=(i²)²⁴(i)+(i²)³⁴+(i²)⁴⁴(i)+(i²)⁵⁵                 as i²=-1   so
=(-1)²⁴(i)+(-1)³⁴+(-1)⁴⁴(i)+(-1)⁵⁵
=(1)i+1+(1)i+(-1)
=i+1+i-1
=2i (answer)
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