Question

va rog..măcar 21..........

Answer 1

a) √$2^{6}$(5²-3² = 2³√(25-9) = 2³√16 = 2³4 = 2³2² = $2^{5}$

b) √5²$2^{4}$+5²3² = √5²(16+9) =5√25 =5*5 = 5² ;

c) √5²17²-$2^{6}$5² = √5²(289-64) = 5√225 = 5*15 = 3*5² ;

d) √13²-5² = √169-25 = √144 = 12 ;