Question

If p=-1,q=1,r=2. find
10pq-2pr-6pr+4pq​

Answer 1

Answer:

2

Step-by-step explanation:

p=-1:q=1:r=2

10pq-2pr-6pr+4pq

10(-1)(1)-2(-1)(2)-6(-1)(2)+4(-1)(1)

-10+4+12-4

-6+12-4

6-4

2 is a answer

Answer 2

Step-by-step explanation:

p = -1, q = 1, r = 2

= 10×-1×1 - 2×-1×2 - 6×-1×2 + 4×-1×1

= -10 - 4 - 12 + (-4)

= -10 - 4 - 12 - 4

= - 40 - 16

= -56