Math, asked by shreyash55, 1 year ago

(-√5+2√-4)+(1-√-9)+(2+3i)(2-3i)

Answers

Answered by adnazirkarp62um3
9
(-√5 + 2√-4) + (1-√-9)+(2+3i)(2-3i)
=-
√5 + 2√-4  + 1-√-9 + (2+3i)(2-3i)
      2
√-4=4i
      
√-9 = 3i
     (2+3i)(2-3i)=13
       =-
√5 + 4i + 1 - 3i + 13
       = 4i-3i + 1 + 13 - 
√5
       =i+14-
√5
       =(14-
√5) + i
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