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What should be added to x y-3y z+4z x to...

What should be added to `x y-3y z+4z x` to get `4x y-3z x+4y z+7?`

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RD SHARMA-ALGEBRAIC EXPRESSIONS-All Questions
  1. Subtract the sum of 13 x-4y+7z and -6z+6x+3y from the sum of 6x-4y-4z ...

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  2. From the sum of x^2+3y^2-6x y ,2x^2-y^2+8x y , y^2+8 and x^2-3x y\ su...

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  3. What should be added to x y-3y z+4z x to get 4x y-3z x+4y z+7?

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  4. What should be subtracted from x^2-x y+y^2-x+y+3 to obtain x^2+y^2...

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  5. How much is x-2y+3z greater than 3x+5y-7?

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  6. How much is x^2-2x y+3y^2 less than 2x^2-3y^2+x y ?

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  7. How much does a^2-3a b+2b^2 exceed 2a^2-7a b+9b^2?

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  8. What must be added to 12 x^3-4x^2+3x-7 to make the sum x^3+2x^2-3x+2?

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  9. If P=7x^2+5x y-9y^2,\ Q=4y^2-3x^2-6x y and R=-4x^2+x y+5y^2, show that...

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  10. If P=7x^2+5xy-9y^2 ,\ Q=4y^2-3x^2-6x y\ and R=-4x^2+x y+5y^2,\ s how\...

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  11. If P=a^2-b^2+2a b ,\ Q=a^2+4b^2-6a b\ , R=b^2+b ,\ S=a^2-4a b and T=-2...

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  12. Put the last two terms of each of the following expressions in the ...

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  13. Write each of the following statement by using appropriate grouping ...

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  14. Place the last two terms in each of the following expressions in pa...

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  15. Place the last two terms in each of the following expressions in pa...

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  16. Place the last two terms in each of the following expressions in pa...

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  17. Write each of the following statement by using appropriate grouping...

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  18. Simplify each of the following algebraic expressions: (a^2+b^2+2a ...

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  19. Simplify each of the following: -5(a+b)+2(2a-b)+4a-7 -3(a+b)+4(2...

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  20. Simplify each of the following: 2x-{5y-(x-2y)} 2x-[3y-{2x-(y-x)}...

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