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If (3x-5y)/(3x+5y)=1/2 find the value of...

If `(3x-5y)/(3x+5y)=1/2` find the value of `(3x^2-5y^2)/(3x^2+5y^2)`

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UNITED BOOK HOUSE-PATHA BHAVAN-EXERCISE
  1. In true or false text The ratio of the diagonal of a cubic room and ...

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  2. If alpha and beta be the roots of the equation x^2+3x+4=0 find the equ...

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  3. If (3x-5y)/(3x+5y)=1/2 find the value of (3x^2-5y^2)/(3x^2+5y^2)

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  4. In a partnership business the ratio of capitals of Ram and Hari is 3:...

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  5. If the amount of Rs 400 in 2 years is Rs 441, find the annual rate of ...

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  6. In triangle ABC, AB = (2a-1)cm,AC = 2sqrt(2a)cm, BC = (2a+1)cm, find ...

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  7. AD is a median of triangle ABC, X is a point on AD such that AX:XD = 1...

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  8. Volume of a cuboid is V. Length , breadth and height are a,b, and c re...

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  9. The curved surface area of a right circular cone is 10 times of its ar...

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  10. If tan 2x.tan2y = 1, find sec(x+y).

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  11. If the sum of two angles is 75^@ and one of them is pi^c/15, find the ...

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  12. Find the value of overset(10)underset(i=1)sum(10xxi).

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  13. The frequency of three numbers 12, 15 ,20 are x+2, x and x-1 respectiv...

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  14. The simple interest and compound interest of some amount of money in 2...

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  15. Mary and Sayan start a partnership business with the amount Rs. 25,000...

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  16. Solve: (x+5)/(2-x)+2((2-x)/(x+5))=3[x!=2,-5]

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  17. The breadth of a rectangle is 3cm less than its length. If the area of...

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  18. If x= (2sqrt(10))/7 find the value of (sqrt(1+x)+sqrt(1-x))/(sqrt(1+x)...

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  19. If x/y inftyx+y and y/x infty x^2-xy+y^2, then show that x^3+y^3 is co...

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  20. If a/(4-a)+b/(4-b)+c/(4-c)=1 prove that 1/(4-a)+1/(4-b)+1/(4-c)=1

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