Find the first term a and the common difference d for the following arithmetic progressions -
Comparing the given arithmetic progression with general form,
We get, a = 
and common difference = difference of two consecutive term
i.e. 
Hence, First term a = 
and common arithmetic difference = -1.
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
