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x-1/x= 7, then x^3-1/x^3 is equal to : ...

`x-1/x= 7`, then `x^3-1/x^3` is equal to :
`x-1/x= 7` है, तो `x^3-1/x^3` का मान क्या होगा ?

A

480

B

364

C

376

D

500

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PINNACLE-ALGEBRA-EXERCISE
  1. If a^3-b^3=899 and a-b=31, then (a-b)^2 +3ab is equal to: यदि a^3-b^...

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  2. If x^4+x^(-4)=194, (x succ 0) then the value of (2x-4)^2 is: यदि x^4...

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  3. x-1/x= 7, then x^3-1/x^3 is equal to : x-1/x= 7 है, तो x^3-1/x^3 का...

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  4. If x^4+x^(-4)=1154, (x succ 0) then the value of 2(x-3)^2 is: यदि x...

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  5. If a^3-b^3=899 and a-b=29, then (a-b)^2 +3ab is equal to: यदि a^3-b^...

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  6. If (3x+1)^3+(x-3)^3+ (2x-4)^3= 6(3x+1)(x - 3)(x -2) then what is the ...

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  7. a,b,c are three positive numbers, such that, (a+b+c) = 20,a^2 +b^2+c^2...

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  8. If a+1/a=2, then a^4-1/a^4 is equal to : यदि a+1/a=2 है, तो a^4-1/a...

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  9. If a+1/a=3, then a^6+1/a^6 is equal to : यदि a+1/a=3 है, तो a^6+1/...

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  10. If a^2+b^2=169, and ab=60,(a succ b) then what is the value of (a^2-b^...

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  11. If (3x+1)^3+(x-3)^3+ (2x-4)^3= 6(3x+1)(x - 3)(x -2) then what is the ...

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  12. Given , a+1/a=2, what is the value of (a^118+1/a^117) ? यदि a+1/a=2 ...

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  13. If a+b+c = 5 and ab+bc+ca = 4, then a^3+b^3+c^3-3abc is equal to : य...

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  14. If a^3-b^3=208 and a-b=8, then (a+b)^2 -ab is equal to: यदिa^3-b^3=2...

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  15. If x-1/x=3 sqrt2, then x^2+1/x^2 is equal to : यदि x-1/x=3 sqrt2 है,...

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  16. If (2x-5)^3+(x+2)^3+(3x-9)^3= (2x- 5)(3x -9)(3x+ 6 ), then what is the...

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  17. If (2x+3)^3+(x-8)^3+(x+13)^3= (2x +3)(3x -24)(x +13) , then what is th...

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  18. If a^(3) + b^(3) = 5824 and a+b = 28 then (a-b)^(2) + ab is equal to :

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  19. If x-1/x=6, then x^3-1/x^3 is equal to : यदि x-1/x=6 है, तो x^3-1/x^...

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  20. If x+1/x= 7, then x^3+1/x^3 is equal to : यदि x+1/x= 7 है, तो x^3+1/...

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