Bitsat
Sequences And Series
BITSAT 2023
MCQ+3 / -12023
If \(a_1, a_2, \ldots, a_n\) are in HP, then the expression \(a_1 a_2+a_2 a_3+\ldots+a_{n-1} a_n\) is equal to
Bitsat
BITSAT 2023
If \(a_1, a_2, \ldots, a_n\) are in HP, then the expression \(a_1 a_2+a_2 a_3+\ldots+a_{n-1} a_n\) is equal to