Question

if a=2,b=-3,c=1,d=-5 then find the value of 1.
ac-bd=
​

Answer 1

Step-by-step explanation:

ac-bd = (2×1)- (-3×-5)

2-(15)

-12.

Answer 2

Answer:

a=2

b=-3

c=1

d=-5

1.ac-bd

(2)(1)-(-3)(-5)

2+(3)(5)

2+15

17