Q If X1 ,X2, X3, Xn are in H P, then prove that X1 X2 + - Maths - Sequences and Series

Question

Q If X1 ,X2, X3, Xn are
in H P, then prove that X1 X2 +
X2X3 + X3X4 + +
Xn - 1Xn = (n-1)X1Xn
â€‹

Decoder_6 · Accepted Answer

Q. If X1 ,X2, X3, ...Xn are in H.P, then prove that X1 X2 + X2X3 + X3X4 + ... + Xn - 1Xn = (n-1)X1Xn.​