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Find the locus of the point (t^2+t+1,t^2...

Find the locus of the point `(t^2+t+1,t^2-t+1),t in Rdot`

Text Solution

Verified by Experts

Let `(h,h)-=(t^2-t+1,t^2+t+1)`
or `h=t^2-t+1` and `k=t^2+t+1`
or `k-h=2t`
or `t=(k-h)/(2)`
or `h=((k-h)/(2))^(2)-((k-h)/(2))+1`
The required locus is
`x=((x-y)/(2))^2-((y-x)/(2))+1`
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Knowledge Check

  • If t is parameter then the locus of the point P(t,(1)/(2t)) is _

    A
    circle
    B
    ellipse
    C
    hyperbola
    D
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  • For the real parameter t,the locus of the complex number z=(1-t^2)+isqrt(1+t^2) in the complex plane is

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    D
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  • For the variable t , the locus of the points of intersection of lines x - 2y = t and x + 2y = (1)/(t) is _

    A
    the straight line x = y
    B
    the circle with centre at the origin and radius 1
    C
    the ellipse with centre at the origin and one focus `((2)/(sqrt(2)),0)`
    D
    the hyperbola with centre at the origin and one focus `((sqrt(5))/(2),0)`
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