Question

Simplify each of the following by rationalizing the denominator. 7 root 3 -5 root 2 divided by root 48​

Answer 1

Step-by-step explanation:

Answer:

Given:

We have been given that the object size(h) = +7.0cm, object distance(u) = -27cm, focal length(f) = -18cm.

To Find:

We need to find the image distance(v) and image size(h'). We also need to find the nature of the image.

Solution:

As it is given that object distance(u) = -27cm and the focal length(f) = -18cm, therefore we can find the image distance by the mirror formula.

1/v + 1/u = 1/f

=> 1/v + 1/-27 = 1/-18

=> 1/v = 1/-18 - 1/-27

=> 1/v = (-3 + 2)/54

=> 1/v = -1/54

=> v = -54cm

Magnification = h/h' = -v/u

= -(-54)/(-27)

= 54/(-27)

= -2

Now, we need to find the Image size, we have

h' = -vh/u

=> {-(-54) × (7)}/(-27)

= (54 × 7)/(-27)

= 378/(-27)

= -14cm

Therefore, the image is real, inverted and enlarged in size.sjajnsnssmakakkakaksksejt