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Carry out the multiplication of the expr...

Carry out the multiplication of the expressions in each of the following pairs : 4p, q + r

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The correct Answer is:
` 4 pq + 4 pr`
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SWAN PUBLICATION-ALGEBRAIC EXPRESSIONS AND IDENTITIES -EXERCISE 9.3
  1. Carry out the multiplication of the expressions in each of the followi...

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  2. Carry out the multiplication of the expressions in each of the followi...

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  3. Carry out the multiplication of the expression in each of the pair : ...

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  4. Carry out the multiplication of the expressions in each of the followi...

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  5. Carry out the multiplication of the expressions in each of the followi...

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  6. Complete the table :

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  7. Find the product : (a ^(2) ) xx ( 2a ^(2)) xx ( 4a ^( 26))

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  8. Find the product : ((2)/(3) xy ) xx (( -9)/( 10 ) x ^(2) y ^(2))

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  9. Find the product : (-10/3 pq^3)xx(6/5 p^3q)

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  10. Find the product : x xx x ^(2) x ^(2) xx x ^(3) xx x ^(4)

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  11. Simplify : 3x ( 4x - 5) + 3 and find its values for x = -3

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  12. Simplify : 3x ( 4x - 5) + 3 and first its values for x = (-1)/(2)

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  13. Simplify a (a^2 + a + 1) + 5 and find its value for : a = 0,

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  14. Simplify a (a^2 + a + 1) + 5 and find its value for : a = 1

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  15. Simplify a (a^2 + a + 1) + 5 and find its value for : a = – 1.

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  16. Add : 2p (p -q), q ( q - r) and r ( r - p)

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  17. Add: 2x (z – x – y) and 2y (z – y – x)

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  18. Subtract: 3l (l – 4 m + 5 n) from 4l ( 10 n – 3 m + 2 l )

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  19. Subtract: 3a (a + b + c ) – 2 b (a – b + c) from 4c ( – a + b + c )

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