AP EAMCET2007MathematicsBasics of Mathematics
2+ 5 - 6-3 5 + 14-6 5 is equal to
Options
- A1
- B2
- C3
- D4
Correct answer
B. 2
Step-by-step solution
Now, aligned 2+ & 5 - 6-3 5 + 14-6 5 & = 2+ 5 - 6-3 5 + (9+5-6 5 ) & = 2+ 5 - 6-3 5 + (3- 5 )^2 & = 2+ 5 - 9-4 5 & = 2+ 5 - (-2+ 5 )^2 & = 2+ 5 +2- 5 & =2 aligned