if A(x,y) is equidistant from the points (-4,3) and (3,-4) then show that x=y
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See the picture.
Hope it helps.
Have a nice day.
Just one correction
SA=PA
Hope it helps.
Have a nice day.
Just one correction
SA=PA
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anjaligodara2003:
thank u
Answered by
3
hi mate here is ur answer
given that A(x,y) is equidistant from
B( -4,3) and C ( 3,-4)
to prove that x = y
using distance formula
√(x1 - x2)^2 + (y1-y2)^2
the distance between ab = ac
the distance of ab
= √(x+4)^2 + (y-3)^2 eq.1
the distance of ac
√(x-3)^2 + (y+4)^2 eq.2
squaring on both sides
we get ,
(x+4)^2 + (y-3)^2 = (x-3)^2+ (y + 4)^2
expanding the identities
x^2 + 16 + 8x + y^2 + 9-6y = x^2 + 9 -6x + y^2 + 16 + 8y
8x- 6y = -6x + 8y
bringing x terms and y terms separately
we get,
8x + 6x = 8y + 6y
14x = 14 y
x = y
hence proved
hope it helps!!!
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