Question

pls verify the statement with explanation ( with steps compulsory) ​
very needed

Answer 1

Answer:

  (a+b+c)²=a²+b²+c²+2ab+2bc+2ca

  (2-3b+c)²=2²+(-3b)²+c²+2(2)(-3b)+2(-3b)(c)+2(c)(2)

                 =4+9b²+c²-12b-6bc+4c

Hence proved

Answer 2

Answer:

(a+b+c)²=a²+b²+c²+2ab+2bc+2ac

(2-3b+c)²=2²+(-3b)²+c²+2(2)(-3b)+2(-3b)(c)+2(2)(c)

=4+9b²+c²-12b-6bc+4c