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If the sum of first n terms of an arithe...

If the sum of first n terms of an arithemetic progression 2,5,8… is equal to sum of the first n terms of another arithmetic progression 57,59,61.. Then find the value of n

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MAXIMUM PUBLICATION-MODEL PAPER 20-EXAMPLE
  1. sin 315^@=……….a)-1/2 b)-1/sqrt2 c)-sqrt3/2 d)1

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  2. Prove that 2sin^2(pi/6)+cosec^2((7pi)/6)cos^2(pi/3)=3/2

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  3. If the sum of first n terms of an arithemetic progression 2,5,8… is eq...

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  4. The sum of first three terms of a Geometric Progression is 13/12 and t...

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  5. The sum of first three terms of a geometric progression is 13/12 and t...

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  6. Find the ratio in which the line segment joining the points (2,4,-3) a...

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  7. Find the ratio in which the line segment joining the points (2,4,-3) a...

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  8. Find the derivative of cosx from first principle.

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  9. Find the derivative of cosx/(1+sinx) with respect to x.

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  10. Which of the given graph doesn't represent a function

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  11. Identify signum function from given graphs

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  12. Write domain and range of signum function

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  13. For every positive integer n,prove that 7^n-3^n is divisible by 4 usin...

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  14. In the figure , Z represents a complex number. Write the complex num...

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  15. In the above figure , Z represents a complex number. Find real and i...

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  16. In the above figure , Z represents a complex number. Find the multip...

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  17. Solve graphically: 2x+y>4,x+y<3,2x-3y<6

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  18. Find the middle term of the expression (3-x^3/6)^8

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  19. Find the area of a triangle formed by the line joining the vertex of p...

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  20. Write the negation of the statement "All triangles are not equilateral...

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