Which of the following is an arithmetic expression?
Which of the following is an example of an arithmetic progression?
If a1,a2,a3,...,an is an arithmetic progression with common difference d, then evaluate the following expression.
tan[tan−1(d1+a1a2)+tan−1(d1+a2a3)+tan−1(d1+a3a4)+⋯+tan−1(d1+an−1an)]