Question

is there someone to help me here​

Answer 1

Answer:

Always here to help you.......

We know that ,

(a+b+c)²=a²+b²+c²+ab+bc+ca

Putting values,

1. 12²=50+(ab+bc+ca)

144-50=ab+bc+ca

94=ab+bc+ca

Step-by-step explanation:

Put values and get values :)