Question

3. Find the value of below algebraic expression for x=2,y=-1 and z=2
1 - 4x(yz + 3ry)​

Answer 1

Step-by-step explanation:

Given- x=2 y=-1 z=2

According To given equation

1-4×2(-1×2 + 3r-1)=0

1-8(-2-3r)=0

-7(-2-3r)=0

-2-3r=0/7

-2-3r=O (0/n=0)

-3r=2

r=-2/3