Question

Sederhanakanlah!
a. 3√5+4√5
b. 3√2-5√2
c. √18+√8
d. 2√3-3√2+4√2+5√3

Answer 1

A) (3+4)√5 = 7√5

b) (3-5)√2 = -2√2

c) √18+√8
= √(9.2) + √(4.2)
= 3√2 + 2√2
= (3+2)√2
= 5√2

d) 2√3+5√3-3√2+4√2
= (-3+4)√2 + (2+5)√3
= 1.√2 + 7.√3
= √2+7√3