What Is The Answer Of (R-T+N)\Xb2?

What is the answer of (r-t+n)²?

 

Answer:

=n²+2nr−2nt+r²−2rt+t²

Step-by-step explanation:

(r−t+n)²

=(r−t+n)(r−t+n)

=(r)(r)+(r)(−t)+(r)(n)+(−t)(r)+(−t)(−t)+(−t)(n)+(n)(r)+(n)(−t)+(n)(n)

=r²−rt+nr−rt+t²−nt+nr−nt+n²

=n²+2nr−2nt+r²−2rt+t²


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