Question

If Sn = n²p and sm = m²p, (n,m)
in an AP . Prove sp=p3.​

Answer 1

Step-by-step explanation:

Given that,

Sn = n²p = n/2 [2a + (n -1)d]

Sm = m²p

So, following the pattern,

Sp = p² × p = p³

Hence proved