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Show that(a+b).(b+c)×(c+a)=2[a b c] |
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Answer» Answer: TAKING L.H.S a(b+c)+b(b+c).(c+a) ab+bc+b^2+bc.(c+a) c(ab+2bc+b^2)+a(ab+2bc+b^2) abc+2bc^2+b^2c+a^2b+2abc+ab^2
next time i have to GO |
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