Bonjour besoin d'aide pour cette exo le 2 15 points!!

a) √50 = √25×2 = 5√2
√98 = √49×2 = 7√2
√162 = √81×2 = 9√2

b) √12 = √4×3 = 2√3
√27 = √9×3 = 3√3
√300 = √100×3 = 10√3
√192 = √64×3 = 8√3

c) √20 = √4×5 = 2√5
√45 = √9×5 = 3√5
√80 = √16×5 = 4√5
√245 = √49×5 = 7√5

d) √96 = √16×6 = 4√6
√150 = √25×6 = 5√6
√216 = √36×6 = 6√6
√384 = √64×6 = 8√6

e) √637 = √49×13 = 7√13
√468 = √36×13 = 6√13