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UNITED BOOK HOUSE-PATHA BHAVAN-EXERCISE
- If alpha and beta be the roots of the equation x^2+3x+4=0 find the equ...
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- If (3x-5y)/(3x+5y)=1/2 find the value of (3x^2-5y^2)/(3x^2+5y^2)
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- In a partnership business the ratio of capitals of Ram and Hari is 3:...
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- If the amount of Rs 400 in 2 years is Rs 441, find the annual rate of ...
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- In triangle ABC, AB = (2a-1)cm,AC = 2sqrt(2a)cm, BC = (2a+1)cm, find ...
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- AD is a median of triangle ABC, X is a point on AD such that AX:XD = 1...
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- Volume of a cuboid is V. Length , breadth and height are a,b, and c re...
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- The curved surface area of a right circular cone is 10 times of its ar...
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- If tan 2x.tan2y = 1, find sec(x+y).
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- If the sum of two angles is 75^@ and one of them is pi^c/15, find the ...
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- Find the value of overset(10)underset(i=1)sum(10xxi).
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- The frequency of three numbers 12, 15 ,20 are x+2, x and x-1 respectiv...
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- The simple interest and compound interest of some amount of money in 2...
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- Mary and Sayan start a partnership business with the amount Rs. 25,000...
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- Solve: (x+5)/(2-x)+2((2-x)/(x+5))=3[x!=2,-5]
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- The breadth of a rectangle is 3cm less than its length. If the area of...
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- If x= (2sqrt(10))/7 find the value of (sqrt(1+x)+sqrt(1-x))/(sqrt(1+x)...
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- 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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- 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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- if a:b = b:c prove that ((a+b)/(b+c))^2 = (a^2+b^2)/(b^2+c^2).
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