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

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

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If the pairs of lines x^2+2x y+a y^2=0 and a x^2+2x y+y^2=0 have exactly one line in common, then the joint equation of the other two lines is given by (1) 3x^2+8x y-3y^2=0 (2) 3x^2+10 x y+3y^2=0 (3) y^2+2x y-3x^2=0 (4) x^2+2x y-3y^2=0

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How much bigger is 5x^(2)y^(2) - 18xy^(2) - 10x^(2)y than -5x^(2) + 6x^(2)y - 7xy ?

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

How much more than 2x^(2) + 4xy + 2y^(2) is 5x^(2) + 10xy - y^(2) ?

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RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS-All Questions
  1. What should be subtracted from x^2-x y+y^2-x+y+3 to obtain x^2+y^2...

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

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

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

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  5. 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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  6. 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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  7. 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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  8. 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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  9. Put the last two terms of each of the following expressions in the p...

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

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  11. Place the last two terms in each of the following expressions in par...

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  12. Place the last two terms in each of the following expressions in par...

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

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

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  15. Simplify each of the following algebraic expressions: (i) (a^2+b^2+...

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

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

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  18. Simplify each of the following: 1. m-[m+{m+n-2m-(m-2n)}-n] 2. 3...

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  19. Simplify : 15x-[8x^2 + 3x^2 - {8x^2 - (4-2x-x^3)-5x^3}-2x]

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  20. Simplify: 5+[x-{2y-(6x+y-4)+2x^2}-(x^2-2y)]

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