Between each pair of terms in this sequence is the amount the sequence is decreasing by. The 𝒏th term refers to a term's position in the sequence, for example, the first term has 𝒏 = 1, the second ...
The answer may be simplified before calculation using the highest common factor (HCF). close highest common factor (HCF) The largest factor that will divide into the selected numbers. Eg, 10 is the ...