2+1=3
15/3=5
split the 3 5's in ratio 2:1 and you get 10:5
Answer:
9x sqrt 5x
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors.
9x√
5x
Answer:
125
Step-by-step explanation:

Substituting for values of j:-
S5 = 2(1) + 2(2) + 2(3) + 2(4) + 2(5) = 2+4+6+8+10 = 30 answer