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USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
- Find the inverse of the following matrix using elementary transformati...
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- If A is a singular matrix, then what is A(adjA)?
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- Give example of a function which is increasing in (-oo,2) and (3,oo) a...
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- If the direction angles of a line are alpha=30^@ and beta=60^@, find t...
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- Give an example of a relation which is not a function.
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- Write the integrating factor of the differential equation dy/dx(x+y+1)...
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- tan{(1/2)sin^(-1)((2x)/(1+x^(2)))+1/2cos^(-1)((1-y^(2))/(1+y^(2)))}.
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- What is the angle between vecaand vecb if abs(veca+vecb)=abs(veca-vecb...
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- If M=[(1,1,1),(1,1,1),(1,1,1)],then what is M^50 ?
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- Write the value x for which d/dxsin(sin^-1x)=1
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- What is the value of int(-1)^(1)ln(frac[4-x][4+x])dx?
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- Prove the following statements "cot"^(-1)9+"cosec"^(-1)sqrt(41)/(4)=...
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- Show that if R is an equivalence relation on X then dom R=rngR =X.
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- Solve graphically: Maximize Z=5x+6y subject to 2x+3yle6,x, yge0
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- Solve sin^(-1)(1-x)-2sin^(-1)x=frac[pi][2]
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- Let f = {(1,3), (2,4), (3,7)} and g = {(3,2), (4,3), (7,1)} determine ...
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- Prove that abs[[b+c,c+a,a+b],[q+r,r+p,p+q],[y+z,z+x,x+y]]=2abs[[a,b,c]...
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- If abs((a,b,a-b),(b,c,b-c),(2,1,0))=0 , then prove that a,b,c are in G...
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- Verify that A=[[a,b],[c,d]] satisfies the equation A^2-(a+d)A+(ad-bc...
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- Solve : [[7,6,x],[2,x,2],[x,3,7]] = 0
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