Question

) सदिश कि दिशा में एकांक सदिश होगा।
() A-An) A-A
(iii) A = A.A (iv)A = A+A​

Answer 1

Answer:

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system.