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Find all the possible values of …

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Find all the possible values of x for which the distance between the point a (X ,- 1 )and b (5,3) is 5 units
  • 2 answers

Sumedha Gupta 6 years, 1 month ago

Thanks bhai

Anshul Sahu 6 years, 1 month ago

Distance=5 root((x-5)^2 +(-1-3)^2) =5 squaring on both sides (x-5)^2 + 16 =25 x^2 +25-10x=25-16 x^2-10x+25=9 x^2-10x+25-9=0 x^2-10x+16=0 x^2-8x-2x+16=0 x(x-8)-2(x-8)=0 (x-8)(x-2)=0 x-8=0, x-2=0 x=8,2 x=2,8 is answer
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