Question

sederhanakanlah
a. 2√50+3√2×4√20
b.√60×3√15+4√3
c. 2√98×3√2+4√2
d. 4√72×2√2+5√2​

Answer 1

√50= √25 × √2= 5√2
√20 = √4×√5 = 2√5, maka

2√50+3√2×4√20
= 2(5√2) + 3√2×4(2√5)
= 10√2+24√10


b. √60×3√15 + 4√3
= 3 √900 + 4√3
= 3×30 + 4√3
= 90 + 4√3