Findthevalueoftheexpressionwhenn=-2
a)5n-2
b)3n2+4n-1 please say me the write answer
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In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.
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cbfNfJfttajtskyskgskyzkktzktzkySkyskyskysktakt
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