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

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

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RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS-All Questions
  1. How much is x-2y+3z greater than 3x+5y-7?

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

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

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  4. 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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  5. 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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  6. 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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  7. 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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  8. Put the last two terms of each of the following expressions in the p...

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

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

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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 pa...

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

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

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

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

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

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

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

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  20. Simplify and find the value of the following expression when a=3 and...

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