Question

3. Find the product of 8 (-2s1 and verity the result when = 1 and 1.5​

Answer 1

s=1 and t =2

So put the value of s and t in the equation.

8s^2(t^2-2st)

8(1^2)[(5^2)-2(1)(5)]

8(25-10)

8(15)

120.