x+y=a-b, ax-by=a^2+b^2

Asked by Veena Dwivedi | 25th Apr, 2014, 09:26: PM

Expert Answer:

x plus y equals a minus b space... space left parenthesis i right parenthesis space a n d space a x minus b y equals a squared minus b squared space... space left parenthesis i i right parenthesis  m u l t i p l y i n g space left parenthesis i right parenthesis space b y space a space a n d space s u b t r a c t i n g space f r o m space left parenthesis i i right parenthesis comma space w e space g e t  x equals a space a n d space y equals minus b

Answered by  | 26th Apr, 2014, 12:01: PM

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