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If a+b+c=2,a^(2)+b^(2)+c^(2)=1 and abc =...

If `a+b+c=2,a^(2)+b^(2)+c^(2)=1` and abc = 3 then `1/a+1/b+1/c` is equal to

A

0

B

`1//2`

C

1

D

2

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RESONANCE ENGLISH-DPP-QUESTION
  1. Remove the irrationality in the denominator a. sqrt((sqrt(2)-1)/(sq...

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  2. Solve the following inequations {:((i),(x-2)/(x^(2)-9)lt0,(ii),(x+1)(...

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  3. If a+b+c=2,a^(2)+b^(2)+c^(2)=1 and abc = 3 then 1/a+1/b+1/c is equal t...

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  4. If 3x=a+b+c , then the value of (x-a)^3+\ (x-b)^3+\ (x-c)^3-3\ (x-a)(x...

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  5. Which of the following when simplified reduces to unity? (log)(3/2)(l...

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  6. If log(6)log(2)[sqrt(4x+2)+2sqrtx]=0thenx=.

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  7. The value 'x' satisfying the equation, 4^(log(9)3)+9^(log(2)4)=10^(log...

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  8. If x=prod(n=1)^(2000)n, then the value of the expression, (1)/((1)/(l...

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  9. Simplify :""^(3)sqrt(5^((1)/(log(7)5))+(1)/(sqrt(-log(10)(0.1))))

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  10. Solved the following inequations {:((i), (x-5)(x+9)(x-8)lt0,(ii),x^(...

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  11. If m,n in N and m=(n^2-n-35)/(n-4), then find the value of m.

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  12. If x^3 + y^3 + 1 = 3xy, where x!= y determine the value of x + y + 1.

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  13. Number of integers whose characteristic of logarithms to the base 10 i...

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  14. If mantissa of lagarithm of 719.3 to the base 10 is 0.8569 then mantis...

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  15. Number of digits in integral part of 60^(12)+60^(-12)-60^(-15)is ("giv...

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  16. Find logarithm of the following values: 500

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  18. (i) Find antilog of 0.4 to the base 32. (ii) Find antilog of 2 to t...

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  19. Given log(10)2=0.3010."find"log(25)200 by using log table

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  20. Find volume of a cuboid whose edges are 58.73cm,2.631 cm and 0.3798cm ...

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