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If a^(2)+1=a then the value of a^(12)+a^...

If `a^(2)+1=a` then the value of `a^(12)+a^(6)+1` is

A

2

B

3

C

`-3`

D

1

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1. Find the value of 2.52/ 1.2

ARIHANT SSC-SIMPLIFICATION-EXERCISE BASE LEVEL QUESTIONS
  1. sqrt289-sqrt625+sqrt25 is equal to

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  2. If a^(2)+b^(2)=234 and ab=108, find the value of (a+b)/(a-b)

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  3. If a^(2)+1=a then the value of a^(12)+a^(6)+1 is

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  4. If 0.764 y =1.236x, then what is the value of ((y-x)/(y+x)) ?

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  5. If a + (1)/(b) =1, b + (1) /(c) = 1 then the value of (abc) is :

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  6. If a+b+c=0, then the value of ((a+b)/(c)+(b+c)/(a)+(c+a)/(b)) ((a)/(...

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  7. If a*b=a+b+(a)/(b) then the value of 12*4 is

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  8. If x=(sqrt2+1)/(sqrt2-1)andx-y=4sqrt2 then the value of (x^(2)+y^(2)) ...

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  9. If x+(a)/(x)=b then the value of (x^(2)+bx+a)/(bx^(2)-x^(3)) is

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  10. If sqrt(28-6sqrt3)=sqrt3a+b (where a, b are rationals), value of (a+b)...

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  11. If x+y=1 then the value of (x^(3)+y^(3)+3xy) is

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  12. If x = (sqrt2-1 ) ^(-(1)/(2)) then the value of (x ^(2) - (1)/(x ^(2))...

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  13. If x=(sqrt(3)+1)/(sqrt3-1)andy=(sqrt3-1)/(sqrt3+1),"then "x^(2)+y^(2) ...

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  14. 10. If p+ q= 10 and pq= 5, then the numerical value of p/q + q/p will ...

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  15. If x+y=18 and xy=72, what is the vlaue of x^(2)+y^(2)?

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  16. ((m-n)^(3)+(n-r)^(3)+(r-m)^(3))/(6(m-n)(n-r)(r-m))=?

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  17. If a+b+c=14anda^(2)+b^(2)+c^(2)=96 then (ab+bc+ca)=?

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  18. (1/(1xx4)+1/(4xx7)+1/(7xx10)+1/(10xx13)+1/(13xx16))=?

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  19. (1-(1)/(2))(1-(1)/(3))(1-(1)/(4))(1-(1)/(5)).......(1-(1)/(m))=?

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  20. (2- 1/3)(2 - 3/5)(2-5/7).....(2-997/999) is equal to

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