Math, asked by sumansandeepabgmail, 1 year ago

hi everyone
please help me out from this problem

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Answered by Yashika853649
2
hey friend it's your answer
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Yashika853649: it is correct
Yashika853649: there is so many methods to do
jitendrajaya123: Can u explain me one thing?????
Yashika853649: what
sumansandeepabgmail: what
jitendrajaya123: What is the formula for (a+b+c) ^2....????..... Explain it... Then I can explain u the reason...
Yashika853649: my ans is true?
jitendrajaya123: Yes it's correct... But the method used is not correct....
sumansandeepabgmail: jitendrajYa123 but I have copied it
Yashika853649: the formula of (a+b+c)^2= a^2 +b^2+c^2+2ab+2bc+2ca
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