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If 2x + y = 6 and xy = 4, then find the ...

If 2x + y = 6 and xy = 4, then find the value of `8x^3+y^3` is:
यदि 2x + y = 6 तथा xy = 4 है, तो `8x^3+y^3` का मान ज्ञात कीजिए।

A

64

B

72

C

48

D

16

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PINNACLE-ALGEBRA-EXERCISE
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  3. If 2x + y = 6 and xy = 4, then find the value of 8x^3+y^3 is: यदि 2x...

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  4. If the sum of two numbers is 11 and the sum of their squares is 65, th...

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  5. If, 2^(x+y-2z)=8^(8z-5-y), 5^(4y-6z)= 25^(y+z), 3^(4x-3z)=9^(x+z) then...

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  6. Find the value/ मान ज्ञात कीजिए: 1/((9-4 sqrt5)^2)+1/((9+4 sqrt5)^2)

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  7. If A =((0.1)^3+(0.2)^3+(0.3)^3+3(0.005 + 0.016 + 0.027) + 0.036)/((0.1...

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  9. If a + b = 8 and a +a^2 b+b+ab^2=128, then the positive value of a^3+b...

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  10. If xy = 16 and x^2+y^2=32, then the value of (x + y) is: यदि xy = 16...

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  11. If a + b = 10 and 3/7 of ab=9, then the value of a^3+b^3 is: यदि a ...

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  12. (a+2b)^2-(a-2b)^2 is equal to: (a+2b)^2-(a-2b)^2 का मान है :

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  13. The value of 5 sqrt3+7 sqrt2- sqrt6-23/(sqrt2 +sqrt3+ sqrt6) is:- 5...

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  14. If x = 255, y = 256, z = 257, then find the value of x^3+y^3+z^3-3xyz....

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  15. If x+1/x= 8, then find the value of (5x)/(x^2+1-6x) यदि x+1/x= 8 है,...

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  16. If a + b = 27 and a^3+b^3=5427, then find ab. यदि a + b = 27 तथा a^...

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  18. If a and b are two positive real numbers such that a + b = 20 and ab =...

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  19. The sum of two numbers is 47 and their product is 550. Find the sum of...

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  20. If x=2+sqrt3 then find the valule of x^4-8x^3+16x^2 is: यदि x=2+sqr...

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