Question

. সূত্রের সাহায্যে সরল করি
(ii) (3p +2q - 4r)2+ 2(3p + 2q-4r) (4r - 2p -q) + (4r -2p -q)​

Answer 1

$4p + 3q - 4r + 40pr -12 {p}^{2} - 14pq + 24rq - 4 {q}^{2} - 32 {r}^{2}$

This might be wrong. So, check it properly.