plz ans this question
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(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)
100=20+2(ab+bc+ca)
ab+bc+ca=40
100=20+2(ab+bc+ca)
ab+bc+ca=40
hash005:
can u solve it on paper and then send a puc
pic
plzzzzzz
its very much urgent
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