1.

The distance between the points A and B if A (a + b ,b-a ) ,B (a-b,a + b) is..​

Answer»

ANSWER:A(a+B,b-a)

A(a*2-b*2)..........(1)

B(a-b,a+b)

B(a*2-b*2)..... ...(2)

Equal equations (1)and(2)

A(a*2-b*2)=B(a*2-b*2)

Now,

You can easily see DISTANCE between A and B.

I think it will help you dear

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