Question

Show from the gradients that the points (4,1),(1,2),(2,5) and (5,4) are the vertices of a square.
(This question is from the chapter Co-ordinate geometry)
Please help me to solve this and no spams please or else the answer will be reported ​

Answer 1

Agriculture is the science and art of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago.

Answer 2

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