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Mathematics 7 Online
OpenStudy (anonymous):

see below

OpenStudy (anonymous):

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OpenStudy (anonymous):

no real answer?

OpenStudy (vishweshshrimali5):

yes

OpenStudy (saifoo.khan):

-1/3

OpenStudy (vishweshshrimali5):

proof doesnot follow any particular tecchnique but you have to connect each step to another and move on

OpenStudy (vishweshshrimali5):

see for example u have to prove a^2 + b^2 = (a+b)^2 only for a = b = 0

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