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If a^3-b^3=1603 and (a-b)=7, then (a+b)^...

If `a^3-b^3=1603` and (a-b)=7, then `(a+b)^2 -ab` is equal to:
यदि`a^3-b^3=1603` तथा (a-b)=7, तो `(a+b)^2 -ab` का मान किसके बराबर होगा ?

A

458

B

338

C

229

D

64

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The correct Answer is:
C
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MOTHERS-ALGEBRA -MULTIPLE CHOICE QUESTION
  1. If a^(3) + b^(3) = 5824 and a+b = 28 then (a-b)^(2) + ab is equal to :

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  2. If x - (1)/(x) = 6, then x^(3) - (1)/(x^(3)) is equal to :

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  3. If a^3-b^3=1603 and (a-b)=7, then (a+b)^2 -ab is equal to: यदिa^3-b^...

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  4. If (x+4)^3+(2x+1)^3+(2x+5)^3= (3x +12) (2x +1)(2x +5) , then what is t...

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  5. If x + (1)/( x) = 8 , then x^(2) + (1)/( x^(2)) is equal to :

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  6. If x + (1)/(x) = 7, then x^(3) + (1)/(x^(3)) is equal to :

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  7. If a^3-b^3=3552 and (a-b)=6, then (a+b)^2-ab is equal to: यदि a^3-b...

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  8. If (x-3)^3+(2x-5)^3+(x-4)^3=(3x -9) (2x -5) (x -4), then what is the v...

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

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  10. If x^2+1/x^2=11, then x-1/x is equal to : यदि x^2+1/x^2=11 है, तो x...

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  11. If x - (1)/(x) = 4, then x^(3) - (1)/(x^(3)) is equal to -

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  12. If ab+bc+ca=8 and a+b+c=12 then (a^2+b^2+c^2) is equal to: यदि ab+b...

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  13. If (2x-5)^3+(x-4)^3+(x-11)^3=3 (2x- 5)(x -4)(x-11), then what is the v...

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  14. If a^3-b^3=416 and a-b=8, then (a+b)^2 -ab is equal to: यदिa^3-b^3=4...

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  15. If x + (1)/(x) = 4sqrt(3), then find the value of x^(2) + (1)/(x^(2)) ...

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  16. If x+1/x= 2 sqrt3, then x^2+1/x^2 is equal to : यदि x+1/x= 2 sqrt3 ...

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  17. If (2x-1)^3+(3x-4)^3+(x-7)^3= (6x-3) (3x-4)(x-7), then what is the val...

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  18. If a^(3) + b^(3) = 416 and a + b = 16, then (a-b)^(2) + ab is equal to...

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  19. If (x-6)^3+(x-4)^3+(x-5)^3= (3x-15)(x-4)(x-6), then what is the value ...

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  20. If a^(3) - b^(3) = 216 and a - b = 6, then find value of (a + b)^(2) -...

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