已知數(shù)列{a
n}的前n項(xiàng)和是S
n,前n項(xiàng)的積是T
n,n為正整數(shù),則以下命題正確的個(gè)數(shù)是( )
(1)若{a
n}是等比數(shù)列,且數(shù)列{S
n}是嚴(yán)格增數(shù)列,則a
2022≥a
2021(2)若{a
n}是等比數(shù)列,則{a
n+a
n+1}是等比數(shù)列
(3)若
是等差數(shù)列,則{a
n}一定是等差數(shù)列
(4)若{a
n}(n∈N,n≥2)為嚴(yán)格增數(shù)列,且各項(xiàng)均為正整數(shù),當(dāng)S
n=T
n時(shí),此時(shí)符合條件的數(shù)列只有一個(gè)