Question

if x=2,y=3,z=4, find the value of: x(y+z) with full solution​

Answer 1

Answer:

x+y+z=1⇒2.

2

x

+3.

3

y

+4.

4

z

=1

Using weighted mean

9

2.(

2

x

)+3.(

3

y

)+4.(

4

z

)

≥((

2

x

)

2

(

3

y

)

3

(

4

z

)

4

)

9

1

(

9

1

)

9

≥

2

10

3

3

x

2

y

3

z

4

⇒x

2

y

3

z

4

≤

3

15

2

10

Answer 2

Answer:

14

Step-by-step explanation:

x=2

y=3

z=4

now, x(y+z)

=2(3+4)

=2*7

=14

The value of x(y+z) = 14.