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Write the numerical coefficient of each of the following: (i) `7a b c` (ii) `-2x^3y^2z`

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RD SHARMA-ALGEBRAIC EXPRESSIONS-All Questions
  1. Write the coefficient of: (i) y^2 in 9x y^2z (ii) x^3 in x^3+1 (iii)...

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  2. Write the numerical coefficient of each of the following: (i) x y\ ...

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  3. Write the numerical coefficient of each of the following: (i) 7a b c...

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  4. Write the numerical coefficient of each terms in the following algeb...

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  5. Write the constant term of each of the following algebraic expressio...

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  6. Evaluate each of the following expressions for x=-2,\ y=-1,\ z=3: (...

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  7. Evaluate each of the following algebraic expressions for x=1,\ y=-1,...

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  8. Add 4x y ,\ 12 x y and 3x y .

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  9. Add 3a^2b ,\ 2a^2b ,\ 13 a^2b and a^2bdot

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  10. Add -7x y ,\ -3x y and -9x ydot

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  11. Add -4a^2y ,-4a^2y ,\ -10 a^2y and -3a^2ydot

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  12. Add 4x^2y ,\ 8x^2y and -2x^2ydot

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  13. Add 4a b ,\ -7a b ,\ -10 a b\ a n d\ 3a bdot

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  14. Add the following: 3x+2y\ a n d\ x+y (ii) x+y+3\ a n d\ 3x+2y+5 2x+...

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  15. Add: (i) x y^2+4x^2y-7x^2y-3x y^2+3\ a n d\ x^(2y)+x y^2 (ii) 5x^2+7y...

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  16. Subtract: 5x from 9x (ii) -7x from 5x -8a from -3a

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  17. Subtract: a^2-3a b from 2a^2-7a b

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  18. Subtract: x^2-3x y+7y^2-2 from 6x y-4x^2-y^2+5

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  19. From the sum of 4x^4-3x^3+6x^2,\ 4x^3+4x-3 and -3x^4-5x^2+2x subtract ...

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  20. What should be added to a^2+2a b+b^2 to obtain 4a b+b^2?

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