Math, asked by gssslaxmandungri, 1 month ago

plz tell it is urgent​

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Answered by pradnyamh11
0

Step-by-step explanation:

formula to be used :(a+b+c)²=a+b+c+2(ab+bc+ca)

=(1)²+(2)²+(3)²+2(2+6+3)

=1+4+9+2(11)

=14+22

=36

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