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Find the locus of the foot of the perpen...

Find the locus of the foot of the perpendicular drawn from the origin to the straight line which passes through the fixed point (a,b).

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The correct Answer is:
`:.` locus of `(h,k)" is "x^(2)+y^(2)-ax-by=0`
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CHHAYA PUBLICATION-MISCELLANEOUS EXAMPLES-HS (XI) AND WBJEE 2019 (HS (XI) 2019) (GROUP -C)
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  2. Show that the value of sin18^(@)" is "(sqrt5-1)/(4)

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  3. For a triangle, if (1)/(a+c)+(1)/(b+c)=(3)/(a+b+c), then show that ang...

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  4. Using the principle of mathematical induction, prove that 1^(2)+3^(2)+...

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  5. Show that if nge1 is an integer, then 9^(n+1)-8n-9 is divisible by 64...

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  6. How many different numbers of 5 significant digits can be formed with ...

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  7. Solve :z+|z|=1+2i, where z=x+iy,x,yinRR.

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  8. There numbers are in G.P. whose product and sum are respectively 216 a...

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  9. Find the distance from the point P(4,1) to the line 4x-y=0 measured al...

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  10. Find the equations of the circle which touches y-aixs at (0,5) and who...

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  11. Find the locus of the foot of the perpendicular drawn from the origin ...

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  12. If lim(xto3)(px^(2)-q)/(x-3)=6, then find the values of p and q.

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  13. If y=sqrtx+(1)/(2sqrtx)and2x(dy)/(dx)+y=f(x), then find f(x).

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  14. Prove that for any two statements p and q the statements ~(pharr~q)and...

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  15. Using contrapositive method, prove that -''If x is an interger and x^(...

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  16. A number is selected at random among the first 50 positvie integers. F...

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  17. Calculate the value of : (i)^(61)

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