Question

Teacher asked a question to the students in the class : Find the difference
of squares of 55 and 45. Abhinav used an identity and solved the question
immediately
a) Which identity did Abhinav use?​

Answer 1

Answer:

" The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north). "

Answer 2

Answer:

I think this is your answer