Question

(p - q + r)square find the expand terms​

Answer 1

Step-by-step explanation:

(p−2q+r)  

2

 

=p  

2

+4q  

2

+r  

2

−4pq−4qr+2pr

(a+b+c)  

2

=a  

2

+b  

2

+c  

2

+2ab+2bc+2qc