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Junior Class 1 Answered

Indentities evaluate(197*203)  
Asked by Sneha | 13 Feb, 2017, 05:43: PM
answered-by-expert Expert Answer

begin mathsize 16px style 197 cross times 203 equals left parenthesis 200 minus 3 right parenthesis left parenthesis 200 plus 3 right parenthesis space space space space space space space space space space space space space space space space space equals 200 squared minus 3 squared space space space space.... left parenthesis Using space straight a squared minus straight b squared equals left parenthesis straight a plus straight b right parenthesis left parenthesis straight a minus straight b right parenthesis right parenthesis space space space space space space space space space space space space space space space space space equals 40000 minus 9 space space space space space space space space space space space space space space space space space equals 39991 end style

Answered by | 13 Feb, 2017, 05:51: PM

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