Y का मान ज्ञात कीजिए जिसके लिए बिदु (2'3) और (10' y) के बीच की दूरी 10 मात्रक ज्ञात कीजिए
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1
Answer:
y=9
or
y=-3
Step-by-step explanation:
mana bindu a=(2,3)
b=(10,y)
ab ke beech ki doori=10
under root (x1-x2)ka whole squre+(y1-y2)ka whole squre = 10
under root(2-10)whole squre+(3-y)whole squre=10
under root64+(9+y squre -6y)=10
under root y squre-6y+73=10
y squre-6y+73=100
y squre-6y-27=0
y squre-(9-3)y-27=0
y squre-9y+3y-27=0
y (y-9)+3(y-9)=0
(y-9) (y+3)=0
y-9=0
y =9
y+3=0
y= -3
y(9,-3)
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