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If a,b,c,d in R^(+)-{1}, then the minimu...

If `a,b,c,d in R^(+)-{1}`, then the minimum value of `log_(d) a+ log_(b)+log _(c)+log_(c)b` is

A

1

B

2

C

3

D

4

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-INEQUALITIES -Section I - Mcqs
  1. If 0ltthetaltpi, then the minimum value of sin^(5)theta+"cosec"^(5)the...

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  2. If a,b,c,d in R^(+)-{1}, then the minimum value of log(d) a+ log(b)+lo...

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  3. the minimum value of 4^(x)+4^(1-x),x in R is

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  4. If x=log(2^(2))2+log(2^(3))2^(2)+log(2^(4))2^(3)+...+log(2^(n+1))2^(n)...

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  5. The least value of 5^(sinx-1)+5^(-sinx-1), is

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  6. If a(1),a(2),a(3) be any positive real numbers, then which of the foll...

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  7. For theta>pi/3, the value of f(theta)=sec^2theta+cos^2theta always lie...

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  8. If a and b are two different positive real numbers then which of the f...

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  9. If 0ltxlt(pi)/(2) then the minimum value of (cos^(3)x)/(sinx)+(sin^(3)...

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  10. If a, b, c are positive real numbers such that a+b+c=2 then, which one...

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  11. If a, b, c are positive real numbers such that a+b+c=p then, which of ...

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  12. Evaluate int(x^(3))/((x-1)(x-2))dx

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  13. If roots of the equation x^(4)-8x^(3)+bx^(2)+cx+16=0 are positive, the...

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  14. If a,b,c are distinct positive real numbers, then

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  15. 2^(sin^(2)x)+2^(cos^(2)x) is

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  16. If xyz=abc, then the least value of bcx+cay+abz, is

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  17. The number of orded 4-tuples (x,y,z,w) where x,y,z,w in[0,10] which sa...

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  18. The range of ab if |a|le1" and "a+b=1,(a, b in R), is

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  19. If A = x^2+1/x^2 , B = x-1/x then minimum value of A/B is

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  20. The least perimeter of a cyclic quadrilateral of given area A square u...

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