Question

what is the exact value for the expression √52 - √13 √117? simplify if possible. a) 4√13 b) √13 c) 2√39 d) 8√39

Answer 1

Hello,

√52-√13+√117=√(4*13)-√13+√(9*13)
=√13*(2-1+3)=4√13

Answer A