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1 (a) answer any one question :(i) suppose IR be the set of all real no. and the mapping f:IR `rarr` IR is defined by f(x) =`2x^2-5x+6`. find the value of `f^-1(3)`

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UNITED BOOK HOUSE-HIGHER SECONDARY QUESTION 2018-EXERCISE
  1. choose the correct answerr from the given alternative: let A={1,2,3} a...

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  2. The principal value of tan^(-1)(-sqrt3) is

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  3. 1 (a) answer any one question :(i) suppose IR be the set of all real ...

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  4. answer any one question :(ii) if sin^(-1) x=tan^(-1)y , then show that...

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  5. (b) answer any one question : (i) prove that |[1,a,a^2],[1,b,b^2],[1,...

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  6. answer any one question A=[[1,0],[-1,7]] and I be the unit matrix of s...

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  7. (c)answer any three questions: (i) if the function , f(x)={((1- cos(ax...

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  8. If xsqrt(1+y)+ysqrt(1+x)=0, prove that dy/dx=(-1)/((1+x)^2

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  9. answer any three questions: (iii) if x>0 ,y>0 and xy=25, then find the...

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  10. answer any three questions: (iv) a particle moves along the parabola y...

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  11. verify lagrange's mean value of theorem in the interval 4lexle6 for fu...

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  12. int (e^x (1+x))/(cos^2(xe^x)) dx is

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  13. (d) answer any one question : (i) if the three vectors vec a, vec b, v...

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  14. answer any one question : (ii) find the equation of the plane passing ...

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  15. e) answer any one question : (i) if P(A/B)=0.8 , P(B/A)=0.6 and P(A^c ...

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  16. answer any one question : (ii) an unbiased coin is tossed 6 times . Us...

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  17. A relation R is defined on the set of natural numbers N as follows: R=...

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  18. answer any one question : (ii) prove that , tan(pi/4 +1/2 (cos ^(-1) (...

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  19. (b) answer the foll. Questions: (i) express the matrix A=[[3,2,3],[4,5...

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  20. if |[x-1,1,1],[1,x+1,-1],[-1,1,x+1]| =0 , find the value of x.

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