11th Class
Mathematics
Sample Paper
Mathematics Sample Paper-1
question_answer
If \[{{(1+x)}^{n}}={{C}_{0}}+{{C}_{1}}x+....+{{C}_{n}}{{x}^{n}},\] then the value of \[\sum\limits_{r=0}^{n}{\sum\limits_{s=0}^{n}{{{C}_{r}}}}{{C}_{s}}\]is equal to r=0 s=0