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| 1. |
` 8 - 15 i ` वर्गमूल निकालिये |
| Answer» `{:( 8 -15 i ),( = ( 1)/(2)[16-30 i] ) ,( = (1)/2[ 5 ^ 2 + (3i)^2 - 2.5. 3i] ) ,( = (1)/(2) (5 -3i) ^ 2 ) , ( therefore sqrt(8-15i) = pm (1)/(sqrt2) ( 5-3i)):} :| {:("Rough"),( (30) /(2) = 15 ) , ( 3"," 5 to 3i"," 5 to 25 + 9 i ^ 2 = 16 ) , ( 1"," 15 to i"," 15 ) , ("real part"= 16 (+ve)),(therefore i " छोटे गुणनखण्ड के साथ ले"):}` | |