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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 9-EXERCISE
- If f(x)=1/x^2,show that f(x)-f(x+1)=(2x+1)/(x^2(x+1)^2)and hence again...
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- If acosphi=b costheta,show that a tantheta+b tanphi=(a+b)tan((theta+ph...
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- Show that tan20^@tan40^@tan80^@=sqrt3
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- Prove the following by the method of mathematical induction. :n^3+(n+1...
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- If the sum of 1+2r+3r^2+4r^3+...oo9/16,find the value of r.
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- In how many ways can the crew of an 8-oared boat be arranged if 2 of t...
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- Express(sqrt3-i)/(1-sqrt3i)in modulus amplitude form
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- In /\XYZthe equation of the perpendicularbisector of XY and XZ arc x-y...
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- Find the co-ordinate of the image of the point (-3, -1), with respect ...
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- Show that the circle with the portion of the line 3x + 4y = 12 interce...
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- Find the equation to the locus of a point whose distance from YZ plane...
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- Evaluate the following limits :lim(xrarr0)(xtan2x-2xtanx)/((1-cos2x)^2...
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- If f(x)=|x-1|1+x^2.Is f'(x) exist?examine it.
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- Using contrapositive method show tha the compund statement .is true or...
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- Show that sqrt3is irrational. (Use the method of contradiction).
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- If the letters of the word PROBABILITY be arranged at random, find the...
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- AM and SD of 7- observations are 8 and 4. If 5.of the 7 observations a...
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- Find the maximum and minimum value of 5costheta+12sintheta+12
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- Show that the equations,sin^2theta=sin^2alpha,cos^2theta=cos^2alphaand...
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- Solve :barz=iz^2(z being a complex number)
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