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- Number of roots of the equation 2sqrt(2x+1)=2x-1 is 0 (b) 1 (c) 2 (...
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- If vec a= hat i+ hat j+ hat k& vec b= hat i-2 hat j+ hat i , then the...
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- Find the integral solutions to the equation [x][y]=x+y . Show that all...
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- Which of the following is/are correct? If vec a= hat i+ hat j and ve...
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- Suppose a1,a2, real numbers, with a1!=0, If a1,a2,a3 are in AdotPdo...
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- Consider the function f(x)={(1-a^x+x a^x ln a)/(a^xx^2); x<0(2^xa^x-x ...
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- A triangle has two of its sides along the lines y=m1x&y=m2x where m1, ...
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- The three vectors hat i+ hat j , hat j+ hat k , hat k+ hat i taken tw...
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- The number of integer values of m , for which the x-coordinate of the ...
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- If A^2+A+I=0 , then A is non-singular A!=0 (b) A is singular A^(-...
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- Tangent and normal to the curve y=2s in x+s in2x are drawn at p(x=pi/3...
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- If D=|[1/z,1/z,-(x+y)/(z^2)],[-(y+z)/(x^2),1/x,1/x],[-(y(y+z)/(x^2z))...
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- The curve y=x^3+x^2-x has two horizontal tangents. The distance betwee...
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- The exhaustive domain of f(x)=sqrt(x^(12)-x^9+x^4-x+1) is
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- The point of intersection of tangent to the curve y=x^4 at (1,1) with ...
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- Equation of straight line a x+b y+c=0 , where 3a+4b+c=0 , which is at ...
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- Tangents are drawn from the point P(1,-1) to the circle x^2+y^2-4x-6y-...
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- If A=[(1,2,2),(2,1,2),(2,2,10] then (A) A^-1= 1/5(A-4I3) (B) A^2-4A-5I...
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- The derivative of (log)(10)x w.r.t. x^2 is equal to 1/(2x^2)loge 10 (...
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- If A=[1 2 0-1 1 2 2-1 1],t h e ndet(A d j(A d jA))= 13 (b) 13^2 (c) ...
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