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The present age of father is the squre o...

The present age of father is the squre of present age of son. After some yearts when the age fo son is half the present age of fater, then age of father will be 8 times the present age of son. Find the present age of Father.

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UNITED BOOK HOUSE-MISCELLANEOUS EXERCISE-EXERCISE
  1. Solve: (x^2-ax)/b+(x^2-bx)/a+(x^2-3ax-3bx)/(a+b)=0]

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  2. When a group of soldiers are arranged in 4 ddep hollow squares the num...

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  3. The present age of father is the squre of present age of son. After so...

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  4. If the roots of the equation a(b-c)x^2+b(c-a)x+c(a-b)=0 are equal,the...

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  5. If the difference of the roots of the equation x^2-px+q=0 is 1, then s...

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  6. If the roots of the equation ax^2+bx+c=0 are alpha and beta then show ...

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  7. If (a+b+c)p=(b+c-a)q=(c+a-b)r=(a+b-c)s, then show that qrs= p(qr+rs+qs...

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  8. If a+1/b = 1, b+1/c = 1, then show that abc+1 = 0

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  9. If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...

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  10. If ax^2+bxy+cy^2 =0 , find x:y.

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  11. 6 is the mean proportional between two numbers x ad y and 48 is the th...

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  12. If (x^3+3xy^2)/(y^3+3x^2y)= 63/62 show that x:y = 3:2.

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  13. If (a+c):(b+c) = (a/b+2):(b/a+2) then show that (a-c):(b-c) = a^2:b^2.

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  14. If (5a-3b)/a= (4a+b-2c)/(a+4b-2c) = (a+2b-3c)/(4a-4c), then show that ...

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  15. If (x+y+z)(y+z-x)(z+x-y)(x+y-z) prop x^2y^2 then show that either x^2+...

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  16. If 1/x-1/y prop 1/(y-x) then show that x/y is constant.

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  17. Simplify: 1/sqrt(11-2sqrt(30))-3/(sqrt7-2sqrt(10))-4/(sqrt(8+4sqrt3))

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  18. Find the square roots of- 8+2sqrt2-2sqrt5-2sqrt(10)

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  19. Find the square roots of- 1+x^2+ sqrt(1+x^2+x^4)

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  20. If 2x = sqrta+1/sqrta. Show that sqrt(x^2-1)/(x-sqrt(x^2-1))(a-1)

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