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If P=a^2-b^2+2a b ,\ Q=a^2+4b^2-6a b\ , ...

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=-2a^2+b^2-a b+adot` Find `P+Q+R+S-Tdot`

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RD SHARMA-ALGEBRAIC EXPRESSIONS-All Questions
  1. 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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  2. 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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  3. 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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  4. Put the last two terms of each of the following expressions in the ...

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

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

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

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

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

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

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

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

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  13. Simplify each of the following: m-[m+{m+n-2m-(m-2n)}-n] 3x^2z-4...

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

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

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

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  17. Simplify each of the following algebraic expressions by removing gr...

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  18. Simplify each of the following algebraic expressions by removing gr...

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  19. Simplify each of the following algebraic expressions by removing gro...

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  20. Simplify each of the following algebraic expressions by removing gr...

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