Home
Class 8
MATHS
Add : 2p (p -q), q ( q - r) and r ( r -...

Add : `2p (p -q), q ( q - r) and r ( r - p)`

Text Solution

Verified by Experts

The correct Answer is:
`qr - pr`
Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC EXPRESSIONS AND IDENTITIES

    SWAN PUBLICATION|Exercise EXERCISE 9.4|18 Videos

  • ALGEBRAIC EXPRESSIONS AND IDENTITIES

    SWAN PUBLICATION|Exercise EXERCISE 9.5|51 Videos

  • ALGEBRAIC EXPRESSIONS AND IDENTITIES

    SWAN PUBLICATION|Exercise EXERCISE 9.2|16 Videos

  • COMPARING QUANTITIES

    SWAN PUBLICATION|Exercise Exercise 8.3|20 Videos

Similar Questions

Explore conceptually related problems

Add: p ( p – q), q ( q – r) and r ( r – p)

Divide as directed : 52pqr (p + q) (q + r) (r + p) -: 104pq(q + r) (r + p)

If A xx B = {(p, q), (p, r), (m, q),(m, r)} , find A and B.

Give examples of polynomials p (x), g (x), q (x) and r (x), which satisfy the division algorithm and : deg p (x) = deg q .

If the p^(th) , q^(th) and r^(th) terms of a G.P. are a, b and c, respectively. Prove that a^(q-r) b^(r-p)c^(P-q)=1 .

Let p, q, r be three mutually perpendicular vectors of the same magnitude. If a vector x satisfies th equation p x((x-q) x p) +q x ((x-r)xq)+rx ((x-p) x r)=0 Then x is given by :

If agt0,bgt0,cgt0 be respectively the pth, qth and rth terms of a G.P. are a, b ,c , prove that : (q-r) log a+ (r -p) log b + (p -q) log c = 0 .

5pq(p^2 - q^2) -: 2p(p+q)

Let A={p , q , r , s}\ a n d\ B={1,2,3}dot Which of the following relations from A to B is not function? (i) R_(1) = {(p, 1), (q, 2), (r, 1), (s, 2)} (ii) R_(2) = {(p, 1), (q, 2), (r, 1), (s, 1)} (iii) R_(3) = {(p, 1), (q, 2), (r, 2), (r, 2)} (iv) R_(4) = {(p, 2), (q, 3), (r, 2), (s, 2)}

SWAN PUBLICATION-ALGEBRAIC EXPRESSIONS AND IDENTITIES -EXERCISE 9.3
  1. Carry out the multiplication of the expressions in each of the followi...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. Complete the table :

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |