Expand the following with the help of suitable identities by identity:
(x+y+z)^2=x^2+y^2+z^2+2xy+2yz+2zx please fast
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9(a^2)+49 (b^2)+(c^4)+42ab+14bc+6ac
Aryankhunteta:
hey i know this but in this how c^4 but in answer c^2 please say answer that c^2
please answer please please
(c^2)^2=c^4
Is it okay now aryan ?
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