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UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2017-EXERCISE
- If the perimeter of the triangle formed by the straight line 4x+3y+k=0...
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- Find the co-ordinates of the point lies on the plane YOZ which is equi...
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- Evaluate :lim(xrarr0)(cos5x-cos7x)/(cosx-cos5x)
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- If (x+4)y=x.then show that x dy/dx+y(y-1)=0.
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- If a coin is tossed 3 times in succession,then find the probability of...
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- The standard deviation of 32 numbers is 5.If the sum of the numbers is...
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- For any three sets A,B and C ,prove that A-(BcupC)=(A-B)cap(A-C).
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- If sin^4alpha/a+cos^4alpha/b=1/(a+b),then show that sin^8alpha/a^3+cos...
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- If for a triangle ABC , cot A+cotB+cotC=sqrt3,then show that the trian...
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- If n in N,then prove by mathematical induction that 7^(2n)+2^3(n-1).3^...
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- If z=x+iy and (z-i)/(z+1)is purely imaginary,then show that the point ...
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- How many odd numbers of fve digits can be formed with the digits 3,6,7...
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- Prove that the middle term in the expansion of (1+x)^(2n)is(1.3.5........
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- If the ratio the sum of 1st n terms of two arithemtic series is (4n-13...
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- Find the equations of the lines passing thorugh the point (4,5)making ...
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- If the equation of the side BC of an equilateral triangle ABC is x+y=2...
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- A circle in the first quadrant touches both the axes its centre lies o...
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- Evaluate:underset(x rarr 0)(lim)((e^(x)-1)log(1+x))/(sin^(2)x)
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- Find from the first principle,the derivative of f(x)=sec2xat x=pi/8.
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- Prove by method of contradiction that sqrt5is an irrational number
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