how did you get the highlighted term?

please explain

Asked by dilipkmishra29 | 12th Sep, 2020, 12:19: PM

Expert Answer:

(x - 3)2 + (y - sqrt{3})2 
equals open parentheses straight x squared minus 2 cross times straight x cross times 3 plus 3 squared close parentheses space plus space open parentheses straight y squared minus 2 cross times straight y cross times square root of 3 plus open parentheses square root of 3 close parentheses squared close parentheses space space space... space space As space left parenthesis straight a minus straight b right parenthesis squared equals straight a squared minus 2 ab plus straight b squared
equals straight x squared minus 6 straight x plus 9 plus straight y squared minus 2 square root of 3 straight y plus 3
equals straight x squared plus straight y squared minus 6 straight x minus 2 square root of 3 straight y plus 12

Answered by Renu Varma | 14th Sep, 2020, 11:55: AM

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