Question

co-ordinate geometry chapter page 161
question (3). (a,b) (-a,-b)​

Answer 1

distance=√x2-x1)^2+(y2-y1)^2

distance=√-a-a)^2+(-b-b)^2

d =√(-2a)^2+(-2b)^2

d=√4a^2+4b^2

d=2√a^2+b^2

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Answer 2

Answer:

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