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Find two numbers which are such that the...

Find two numbers which are such that the sum of the first and twice the second and also the sum of their squares are equal to 5.

A

1,3

B

1,2

C

2,3

D

3,4

Text Solution

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The correct Answer is:
B
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S CHAND IIT JEE FOUNDATION-MATRICES -UNIT TEST -2
  1. The simplified form of the rational expression ((x^(2))/(x^(2)-y^(2))-...

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  2. x+y=a and x y=b ,then the value of 1/(x^3)+1/(y^3)

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  3. If a^(2)=(b+c),b^(2)=(c+a),c^(2)=(a+b), then the value of 1/(a+1)+1/(b...

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  4. If a/x+y/b=1 and b/y+z/c=1 , then x/a+c/z will be equal to: (a) 0 (...

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  5. The factors of x^4+x^2+25 are (x^2+3x+5)(x^2-3x+5) (x^2+3x+5)(x^2+3...

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  6. The factors of (a^(2)+36b^(2))^(2)-169a^(2)b^(2) are:

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  7. One of the factors of a^(6)+b^(6)-a^(2)b^(4)-a^(4)b^(2) is

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  8. In a number of three digits the units digit is double the tens' digit....

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  9. A batsmen's average before the last two innings of a seasons was 66. H...

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  10. The solution of the equations: 3(x+3y-1)=2(y-3x+1) and 3(5y-7x-3)=2(...

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  11. Some bananas are to be shared among a number of children. To give each...

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  12. The value of K for which the system of equations x+2y+7=0 and 2x+ky+14...

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  13. Roots of the equations x^(2)+x(2-p^(2))-2p^(2)=0 are

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  14. The roots of the equation 4/(x^(2))=1+3/x are

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  15. Find the value of x if the shaded area is a half of the whole area in ...

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  16. Find two numbers which are such that the sum of the first and twice th...

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  17. If x and y are positive integers that satisfy 1lexle4 and 3x+2yle13, t...

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  18. If 6lexle8 then

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  19. if x^3-1/x^3=14, then x-1/x=

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  20. The LCM of the polynomials (x^(8)-y^(8)) and (x^(4)-y^(4))(x+y) is

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