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a) 0
b) -1
c) 3
d) -3
correct answer is: a) 0
Explanation
\sqrt{121}\ +\ \sqrt{169}\ -\ \left(\sqrt{49}\ +\ \sqrt{289}\right)
\rightarrow\ 11\ +\ 13\ -\ \left(7\ +\ 17\right)
\rightarrow\ 11\ +\ 13\ – 24
\rightarrow\ 24\ -\ 24
\rightarrow\ 0
Ans: 0.
