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UNITED BOOK HOUSE-JODHPUR PARK BOYS'S SCHOOL-EXERCISE
- If t1and t2 are the roots of the equation t^2+lambdat+1=0,where lambda...
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- Prove that Axx(BcupC)=(AxxB)cup(AxxC)
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- Find the distance from the eye at which a coin must be placed so as ju...
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- If cos(alpha+beta)=4/5.sin(alpha-beta)=5/13and alpha,betalie between 0...
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- Prove that cos((2pi)/7)+cos((4pi)/7)+cos((6pi)/7)=-1/2
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- Solve :6x^2-(5+3i)x+11i-3=0in the complex plane C.
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- Find the sum of first n terms of the series:1/(1+1^2+1^4)+2/(1+2^2+2^4...
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- Find n, if the ratio of the fifth term from beginning to the fifth ter...
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- Find the natural number a for which sum(k=1)^nf(a+k)=16(2^n-1)where th...
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- The line joing two points A(2,0)and B(3,1)I rotated about A in anti cl...
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- In what direction should a line be drawn through the pont (1,2) so tha...
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- If (alpha^2,alpha)lies inside the triangle bounded by the lines x-5y+6...
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- Find the equations of the circles which passes through the origin and ...
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- Show that :tan(142(1^@/2))=2+sqrt2-sqrt3-sqrt6
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- If A+B+C=pi,prove that :cosA+cosB-cosC=-1+4cosA/2cosB/2sinC/2.
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- Solve :(|x+3|+x)/(x+2)>1,x inR,
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- Find principal amplitude of (1+itan((3pi)/5))
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- A square is draw by joing the mid points of the sides of a given squar...
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- On the portion of the line x+3y-3=0 which is intercepted between the c...
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- Find the locus of the midpoint of the chords of the parabola y^2=4ax.w...
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