A) 10
B) 9
C) 7
D) 6
Correct Answer: B
Solution :
\[6.5\times 6.5-45.5+3.5\times 3.5\] \[={{(6.5)}^{2}}-2\times 6.5\times 3.5+{{(3.5)}^{2}}\] \[={{(6.5-3.5)}^{2}}={{(3)}^{2}}=9\]You need to login to perform this action.
You will be redirected in
3 sec