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For real x,the least value of (x-2)(x-3)...

For real x,the least value of (x-2)(x-3)+1 is___

A

a)3/2

B

b)3/4

C

c)3

D

d)None of these

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UNITED BOOK HOUSE-TAKI HOUSE-EXERCISE
  1. Z is a complex number. If I Z l = 4 and arg(Z)=(5pi)/6,then the value ...

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  2. The amplitude of the complex no is (a<0) is

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  3. For real x,the least value of (x-2)(x-3)+1 is

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  4. The sum of first 5 terms of an arithmetic progression is 80,third term...

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  5. If sin theta=4/5and theta=positive acute angle then the value of tan2t...

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  6. The greatest value of 3costheta+4sintheta+15is

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  7. The value of (cos2^@ + sin2^@)/(cos2^@-sin2^@)is

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  8. The value of sin200^@+cos200^@is

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  9. If x=t+(1/t), y=t-(1/t) and t=parameter then the locus of the point (x...

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  10. The distance between the two straight lines 3x+4y-9=0 and 6x+8y-15=0 i...

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  11. if the Pth term of an A.P. is q and qth term is P.Then show that the n...

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  12. Find the value of ((1+sqrt-3)/2)^100+((1-sqrt-3)/2)^100

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  13. If alphaand beta be two roots of the equation (x-a)(x-b)=c then show t...

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  14. Evaluate :cos^2(pi/8)+cos^2((3pi)/8)+cos^2((5pi)/8)+cos^2((7pi)/8)

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  15. If cosalpha+cosbeta=2/3and sinalpha+sinbeta=2/5then find the vvalue of...

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  16. If cosec theta+sectheta=cosecalpha+secalpha,then show that tan ((theta...

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  17. x=2cost+3y=2sint+5 and t=parameter find the locus of the point (x,y)

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  18. Find the equations of a straight line parallel to x-axis and passes th...

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  19. Prove by mathematical induction ,3^(2n+1)+2^(n+2)is divisible by 7,n i...

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  20. Factorise:x^2+y^2+z^2-xy-yz-zx

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