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Find the value of |[x^2-x+1,x-1],[x+1,x+...

Find the value of `|[x^2-x+1,x-1],[x+1,x+1]|`

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SHARAM PUBLICATION-MODEL QUESTION PAPER -15-EXERCISE
  1. If f(x)=(1-x^(3))^(1/3) then find fof(x).

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  2. Write the principal value of tan^(-1)(sqrt3)-cot^(-1)(-sqrt3).

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  3. Find the value of |[x^2-x+1,x-1],[x+1,x+1]|

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  4. If [[3,5,3],[2,4,2],[lambda,7,8]] is a singular matrix, write the valu...

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  5. What is the first derivative of cos^(-1) (sin(sqrt(1+x)/2))+x^x w.r.t ...

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  6. Find the intervals in which the function y=(lnx)/(x) is increasing and...

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  7. Write the value of int(-pi//4)^(pi//4)sin^(5)xcosxdx

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  8. What is the solution of the equation (d^2y)/(dx^2)=e^-(2x)?

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  9. What is the equation of the line passing through the point (1,2,3)and ...

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  10. If f:R to R is the function defined by f(x)=4x^(3) +7, then show that ...

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  11. If R and S are two equivalence relation on the set then prove that Rca...

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  12. If ** is a binary operation on set Q of rational numbers such tht a**b...

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  13. Solve the following equation: "cos"("tan"^(-1)x)="sin"("cot"^(-1)3/(...

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  14. [[1,-2],[3,2]][[x,2],[1,y]]=[[-3,4],[-1,4]]Find x and y.

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  15. Factorize the following. [[x+a,b,c],[b,x+c,a],[c,a,x+b]]

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  16. Solve the following : [[1+x,1,1],[1,1+x,1],[1,1,1+x]]=0

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  17. Eliminate x,y,z from a=x/y-z, b=y/z-x, c=z/x-y

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  18. For what value of lambda,is the function f(x)={(lambdax^2-2x,if xle0),...

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  19. If cos y = x cos(a+y) then prove that dy/dx = (cos^2(a+y))/sin a

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  20. If y^2cot x = x^2 coty then find (dy)/(dx)

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