Question

Q4.If x=1,y=3 and z=-1, find the
value of 5x+ 3y-xyz​

Answer 1

Step-by-step explanation:

x/z = x/y * y/z (By chain rule)

x/z = 1/2 * 3\5

x/z = 3/10

x = 3; z = 10

From x : y = 1/2

y = 2x

y = 2*3 = 6

Hence 5x-3y+z = 5(3)-3(6)+10 = 7