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Find the value of x if abs[[2,3],[4,5]]=...

Find the value of x if `abs[[2,3],[4,5]]=abs[[x,3],[2x,5]]`

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USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. Find sin[frac[pi][2]-sin^(-1)(-frac[1][2])]

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  2. Find the number of all possible matrices of order 3xx3 with each of ...

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  3. Find the value of x if abs[[2,3],[4,5]]=abs[[x,3],[2x,5]]

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  4. If A is a square matrix of order 2, then find det(adjA).

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  5. Evaluate inte^(x)(sinx+cosx)dx.

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  6. Write the differential equation having y=C1e^x+C2e^x as its general so...

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  7. If veca is a non zero vector of magnitude abs(veca) and lambda is a no...

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  8. Find the value of haticdot(hatjtimeshatk)+hatjcdot(hatitimeshatk)+hatk...

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  9. Are the lines frac[x][1]=frac[y][2]=frac[z][3] and frac[x-1][-2]=frac[...

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  10. Solve LPP : Maximize Z=20x1+30x2 subject to constraints 3x1+5x2le15, x...

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  11. Solve sin^(-1)x +sin^(-1)(1-x) =(pi)/(2).

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  12. Let ast be a binary operation on the set of real numbers, defined by a...

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  13. Let ast be a binary operation on the set of real numbers, defined by a...

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  14. Let ast be a binary operation on the set of real numbers, defined by a...

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  15. If a relation R is defined on the set Z of integers as following (a,b)...

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  16. If A=[[2,0,-3],[4,3,1],[-5,7,2]] is expressed as sum of a symmetric an...

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  17. Given the equations x=cy+bz, y=az+cx and z=bx+ay where x,y and z a...

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  18. Find A^2-5A+6 if A=[[2,0,1],[2,1,3],[1,-1,0]]

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  19. Let a,b and c are real number and Delta=|{:(b+c,c+a,a+b),(c+a,a+b,b+...

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  20. If A=[{:(cosalpha,-sinalpha),(sinalpha,cosalpha):}]andA+A'=I , then fi...

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