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Show that the points (1,2,3),(2,3,1) and...

Show that the points (1,2,3),(2,3,1) and (3,1,2) from an equilateral triangle.

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The correct Answer is:
AB=BC=CA
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SRISIRI PUBLICATION-SOLVED MODEL PAPER-1-SOLVED MODEL PAPER-1(MATHS-1B)
  1. Find the value of x, if the slope of the line passing through (2,5) an...

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  2. Transform the equation x+y+1=0 into Normal form.

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  3. Show that the points (1,2,3),(2,3,1) and (3,1,2) from an equilateral t...

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  4. Find the angle between the planes 2x-y+z=6 and x+y+2z=7

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  5. Show that Lt(x to0+)((2|x|)/x+x+1)=3.

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  6. Evaluate Lt(x to0)((e^(3+x)-e^3)/x)

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  7. If f(x) = a^x.e^(x^2) then find f'(x)

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  8. Find the derivative of log(sin(logx))

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  9. Find the approximate value of root3(65)

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  10. Verify Rolle's theorem for the function y=f(x)=x^2+4on [-3,3]

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  11. A(2,3) and B(-3,4) be two given points. Find the equation of the locus...

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  12. When the axes are rotated through an angle pi//6. Find the transformed...

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  13. Find the points on the line 3x-4y-1=0 which are at a distance of 5 uni...

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  14. Show that f(x)={{:((cosax-cosbx)/(x^(2))," if " xne0),((1)/(2)(b^(2)...

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  15. Find the derivative of sin2x from the first principles .

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  16. A particle is moving in a straight line so that after 't' seconds its ...

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  17. S.T the tangent at any point theta on the curve x=c sectheta, y=c tan ...

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  18. Find the equation of the straight lines passing through the point (1,2...

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  19. Find the value if k , if the lines joining the origin with the points ...

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  20. If a line makes angles alpha, beta, lambda,delta with the four diagon...

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