Question

first term of the geometricc sequence..... ,42, 126, 378, 1134

Answer 1

Is there only one term before 42?

Answer 2

14

Answer 3

If you look at it, you'll divide the common ratio to get the previous term.

Answer 4

If you want the next term, you multiply the ratio, and if the previous, then divide.

Answer 5

The common ratio would be \(126 \div 42 = 3\)

Answer 6

So you divide: \(42 \div 3\)