Maths

Sample Paper 2011 Class XI Subject maths Time: 3Hrs. Max. mark: 100 General Instructions: (The disbelieve paper has two printed pages shared in 29 questions as under) ? All the questions are compulsory. ? The question paper has been divided in 3 sections A, B and C. ? persona A contains 10 questions of 1 mark each. ? region B contains 12 questions of 4 attach each. ? Section C contains 7 questions of 6 marks each. ? in that location is no overall extract however internal survival of the fittest has been provided in section B & C. ? Use of calculators is not permitted. Section A 1. Write the set A= {1, 4, 9, 16} in set builder form. 2. If (x+1, y -2) = (3, 1) check the value of x and y. 3. welejaculate the value of tan [pic] 4. exchange the complex flesh [pic]in frosty form. 5. Find the value of n if [pic] 6. Find the sum of n terms of the series: [pic] 7. Find the equation of the line through and through (-2, 3) with slope - 4. 8. Write the dissertate of the following pedagogy, If a number n is level(p), then n2 is even. 9. Write the contra positive of the statement If a triangle is equilateral, it is isosceles. 10. Evaluate [pic].

Section B 11. For U= { 1,2,3,4,5,6,7,8,9,10} A={2,4,6,8} B={2,3,5,7,8} roll DeMorgans Lawi.e. ( A U B) = A [pic]B and (A [pic]B) = AUB 12. Let f(x) = x2 and g(x) = 2x + 1 be two real functions, regulate (f+g)(x), (f - g)(x), (f .g)(x) and [pic] 13. Prove that cot! x.cot2x cot2x.cot3x cot3x.cotx = 1 Or If tanx = [pic]find the value of sin [pic] cos[pic]and tan[pic] 14. If (x +iy)3 = u + iv prove that [pic]4 (x2 y2). 15. In how many of the distinct permutations of the letter MISSISSIPPI do the for Is not come to overhearher? OrP.T.O. A committee of 7 members has to be formed from 9 boys and 4 girls. In how many...If you deprivation to get a full essay, order it on our website: BestEssayCheap.com

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