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The coefficient of x in (x-3y)^3 is : ...

The coefficient of x in `(x-3y)^3` is :
`(x-3y)^3` का गुणांक है :

A

`-27y^2`

B

`-3y^2`

C

`27y^2`

D

`3y^2`

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PINNACLE-ALGEBRA-EXERCISE
  1. If a+b+c = 9 and ab+bc+ca = -22, then the value of a^3+b^3+c^3-3abc is...

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  2. If a+1/a=5, then a^3+1/a^3 is equal to : यदि a+1/a=5 है, तो a^3+1/a...

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  3. The coefficient of x in (x-3y)^3 is : (x-3y)^3 का गुणांक है :

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  4. If a^3+1/a^3=52, then the value of 2(a+1/a) is : यदि a^3+1/a^3=52 है...

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  5. If x^2- 4x + 4= 0, then the value of 16(x^4-1/x^4) is यदि x^2- 4x +...

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  6. If b+c = ax, c+a = by and a+b = cz, then the value of 1/9[1/(x+1)+1/(y...

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  7. The coefficient of y in the expansion (2y-5)^3 is : व्यंजक (2y-5)^3...

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  8. If 1-64x^3-12x+px^2=(1-4x)^3, then the value of p is: यदि 1-64x^3-1...

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  9. Expand : (x/3+y/5)^3 .

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  10. If a^2+b^2+c^2=300 and ab+bc+ca = 50, then what is the value of a+b+c?...

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  11. If x+y+z=10 and xy+yz+zx = 15, then find the value of x^3+y^3+z^3-3xyz...

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  12. If a^4+1/a^4=50, a>0, then find the value of a^3+1/a^3 . यदि a^4+1/a...

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  13. 25a^2-9 is factored as: 25a^2-9 का गुणनखंड होगा :

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  14. Find the product of (a+b+2c)(a^2+b^2+4c^2 -ab-2bc-2ca). (a+b+2c)(a^2...

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  15. Expand : (4a+3b+2c)^2 .

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  16. If A+B = 12 and AB = 17, what is the value of A^3+B^3 ? यदि A+B = 12...

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  17. (3a-4b)^3 is equal to: (3a-4b)^3किसके बराबर है ?

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  18. If a^2+b^2-c^2=0, then the value of (2(a^6+b^6-c^6))/(3a^2b^2c^2) is :...

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  19. If a=2b=8c and a+b+c = 13 then the value of (sqrt(a^2+b^2+c^2))/(2c) i...

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  20. If x,y and z are three numbers such that x+y = 13, y+z = 15 and z+x = ...

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