6dar-126dar-12dr
Find the number of terms of a geometric sequence if a₁ = 5, r = 6 and aₙ = 180.
square root 8 plus square root minus square root of 32
2x-3y=-1
y=x-1
3- 12/ 5
2q x 3p
pq+py
-5c-20d
(5 raised to 2 square root of 20)(2 raised to 2 square root of 4)
