Answer:
4
Step-by-step explanation:
Input -4 into the equation which comes out to
-3 * (-4) - 8
Which equals 4
c=0
ATQ a.b=|a||b|sin(45)
1+c=sqrt(1+c^2)*sqrt(2)*1/sqrt(2)
1+c=sqrt(1+c^2)
(1+c)^2=(1+c^2)
2c=0, c=0
2 x 2 x 5 x 5
.....,..........
