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What is Physics ?
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Answer :
Physics is the science of matter and how matter interacts. Matter is any physical material in the universe. Everything is made of matter. Physics is used to describe the physical universe around us, and to predict how it will behave.
Answer:
meko dede account
After putting x=2 in equation, we get −1.
After putting x=−1, we get 8
After putting x=21, we get 45
So, p(2)−p(−1)+p(21)=−1−8+45
=−9+45=4−36+5=4−31