Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion? (i) (m + n) (p + q) (ii) (mn- pq) (iii) (7mn + pq) (iv) (mn + 7pq)

Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the ex

1.	Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion? (i) (m + n) (p + q) (ii) (mn- pq) (iii) (7mn + pq) (iv) (mn + 7pq)
Answer» Of which of the binomials given below is m²n²+ 14mnpq + 49p²q²the expansion? (i) (m + n) (p + q) (ii) (mn- pq) (iii) (7mn + pq) (iv) (mn + 7pq)