1.

\(\sqrt{121}\) = ...........A) 11 B) 16 C) 31 D) 12

Answer»

Correct option is  A) 11

Correct option is (A) 11

\(\sqrt{121}=\sqrt{11^2}=(11^2)^\frac12\) \(=(11)^{2\times\frac12}=(11)^1=11.\)



Discussion

No Comment Found