If A=(1,-2),B=(2,3) find the locus of the point p such that PA: PBLM=2:1
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Take a point x,y
Write the distances of it from A and B
√x² + (y-2)² + √ x² +( y+2)² = 6
Take one root on other side and square it. It gives u:
36+8y = 12√ x² + (y+2)²
=>. 9+2y = 3 √x²+ (y+2)² Square it again
Now u get 9x² +5 y² - 45 =0
I Hope is that Happy!
^_^
Take a point x,y
Write the distances of it from A and B
√x² + (y-2)² + √ x² +( y+2)² = 6
Take one root on other side and square it. It gives u:
36+8y = 12√ x² + (y+2)²
=>. 9+2y = 3 √x²+ (y+2)² Square it again
Now u get 9x² +5 y² - 45 =0
I Hope is that Happy!
^_^
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