Question

Which of these is a factor of m2 + 25n2 + 16p2 + 10mn - 40np - 8pm?
1 (m + 4p)2
2 m - 5n + 4p
3 m + 5n - 4p
4 m2 + 25n2 + 16p2

Answer 1

Answer:

(i) 12x, 36

(ii) 2y, 22xy

(iii) 14pq, 28p2q2

(iv) 2x, 3x2, 4

(v) 6abc, 24ab2, 12a2b

(vi) 16x3, –4x2, 32x

(vii) 10pq, 20qr, 30rp

(viii) 3x2y3, 10x3y2, 6x2y2z

Sol. (i) The numerical coefficient in th