Question

The value of integral
xP3 (x)dx where P(x) legendre
- 1
Polynomial of degree 3, is equal to
A)
2
5
6 В)
B) 1
C)
2.
7.
D) 0​

Answer 1

Answer:

when the object is placed between F1 and 2F1 in case of convex lens the image formed is