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Two two adjacent sides of a rectangel ar...

Two two adjacent sides of a rectangel are `3a-b` and `6b-a`. Find its perimeter.

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The correct Answer is:
`4a+10b`
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ICSE-ALGEBRAIC EXPRESSIONS-EXERCISE 13B
  1. Simplify: 2-3z^(2)+5yz+7y^(2)-8+z^(2)-6yz-9y^(2)+1-2z^(2)-2yz-y^(2)

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  2. Simplify: 2m-3n+5p+2m+n-2p-3m-4n+p

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  3. Two two adjacent sides of a rectangel are 3a-b and 6b-a. Find its peri...

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  4. Find the perimeter of a triangle whose sides are 2y+3z, z-y, 4y-2z.

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  5. Subtract : 3a-2b +4c from 5a-3b-5c

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  6. Subtract : 5x^(2)-3xy -7y^(2) from 3x^(2)-xy-2y^(2)

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  7. Subtract : 3p^(3)-5p^(2)q from q^(2)+p^(2)q-4p^(3)

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  8. Subtract : ab-bc-ca from 3ab +2bc-4ca

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  9. Subtract : 3z^(2)-2z^(2)+7z -8 from 8-z-z^(2)

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  10. Subtract : 2abc-a^(2)-b^(2) from b^(2)+a^(2)-2abc

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  11. Subtract 6x^(3) -5x^(2)+4x-3 from the sum x+2x^(2)-3x^(3) and 2-x^(2)+...

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  12. Subtract the sum of a+2b-3c and 2c-3b-4a from the sum of 5b-4c+a and 2...

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  13. Subtract the sum of x^(2)-5xy +2y^(2) and y^(2)-2xy -3x^(2) from the s...

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  14. What should be subtracted from x+2y-3z to get 3x-2y +z?

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  15. What should be subtracted from 2x^(2)-y^(2)+4z^(2) to get x^(2)+y^(2)-...

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  16. What should be subtracted from 1+x-x^(2) to get 2x+x^(2)?

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  17. What should be added to 7a-9b+13c to get 9a+b-c?

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  18. What should be added to 1+2x-3x^(2) to get x^(2)-x-1?

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  19. What should be added to m^(2)-2mn+5n^(2) to get n^(2)+mn-m^(2)?

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  20. Find the excess of 4p^(2)-2pq +3q^(2) over 2p^(2)-pq +4q^(2).

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