Home
Class 9
MATHS
( a+b-c)^(2) is equal to ………………….....

` ( a+b-c)^(2) ` is equal to …………………..

A

`(a-b+c) ^(2) `

B

` (-a-b+c)^(2) `

C

` (a+b+c)^(2) `

D

` (a-b-c) ^(2) `

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • ALGEBRA

    FULL MARKS|Exercise Textbook Activity|2 Videos

  • ALGEBRA

    FULL MARKS|Exercise Additional Questions|17 Videos

  • ALGEBRA

    FULL MARKS|Exercise Exercise 3.14|6 Videos

  • COORDINATE GEOMETRY

    FULL MARKS|Exercise TEXTBOOK ACTIVITY|2 Videos

Similar Questions

Explore conceptually related problems

If a,b,c are in G.P. then (a-b)/(b-c) is equal to ………….

If a,b,c are in G.P then (a-b)/(b-c) is equal to ………….

If a,b,c are in A.P. then (a-b)/(b-c) is equal to ………….

If a, b, c, d are in G.P., then (a + b + c + d)^(2) is equal to

If a ,b, c ,d are in G.P, then (b-c)^2+(c-a)^2+(d-b)^2 is equal to

If a^(2) + b^(2) + c^(3) + ab + bc + ca le 0 for all, a, b, c in R , then the value of the determinant |((a + b +2)^(2),a^(2) + b^(2),1),(1,(b +c + 2)^(2),b^(2) + c^(2)),(c^(2) + a^(2),1,(c +a +2)^(2))| , is equal to

In triangle ABC , a (b^2 +c^2 ) cos A + b (c^2 +a^2 ) cos B + c(a^2 +b^2 ) cos C is equal to

Let O be a point inside DeltaABC such that angleOAB = angleOBC = angle OCA = theta cosec^(2) A + cosec^(2)B + cosec^(2)C is equal to

a , b , c are three non coplanar non zero vectors and r is any vector in space, then ( a × b )×( r × c )+( b × c )×( r × a )+( c × a )×( r × b ) is equal to) [ ⃗ [2a b ⃗ c ] ⃗ r b. 2 [ ⃗ a ⃗ b ⃗ c ] ⃗ r c. 3 [ ⃗ a ⃗ b ⃗ c ] ⃗ r d. none of these

Column I, Column II If | vec a|=| vec b|=| vec c| , angel between each pair of vecrtor is pi/3 and | vec a+ vec b+ vec c|=sqrt(6),t h e n2| vec a| is equal to, p. 3 If vec a is perpendicular to vec b+ vec c , vec b is perpendicular to vec c+ vec a , vec c is perpendicular to vec a+ vec b ,| vec a|=2,| vec b|=3a n d| vec c|=6,t h e n| vec a+ vec b+ vec c|-2 is equal to, q. 2 vec a=2 hat i+3 hat j- hat k , vec b=- hat i-4 hat k , vec c= hat i+ hat j+ hat ka n d vec d=3 hat k+2 hat j+ hat k ,t h e n1/7( hat axx hat b)dot( hat cxx hat d) is equal to, r. 4 If | vec a|=| vec b|=| vec c|=2a n d vec adot vec b= vec bdot vec c= vec cdot vec a=2,t h e n[ vec a vec b vec c]cos 45^0 is equal to, s. 5

FULL MARKS-ALGEBRA -Exercise 3.15
  1. Which of the following has x-1 as a factor ?

    Text Solution

    |

  2. If x - 3 is a factor of p(x) , then the remainder is

    Text Solution

    |

  3. (x+y)(x^(2)- xy +y^(2)) is equal to

    Text Solution

    |

  4. ( a+b-c)^(2) is equal to …………………..

    Text Solution

    |

  5. In an expression ax^(2) + bx + c the sum and product of the factors r...

    Text Solution

    |

  6. If ( x+ 5) and ( x - 3) are the factors of ax^(2) + bx + c , then valu...

    Text Solution

    |

  7. Cubic polynomial may have maximum of "" linear factors.

    Text Solution

    |

  8. Degree of the constant polynomial is ""

    Text Solution

    |

  9. Find the value of m from equation 2x+ 3y=m. if its one solution is x=2...

    Text Solution

    |

  10. Which of the following is a linear equations?

    Text Solution

    |

  11. Which of the following is a solution of the equations 2x-y=6?

    Text Solution

    |

  12. If (2,3) is a solutions of linear equations 2x +3y =k then the value...

    Text Solution

    |

  13. Which condition does not satisfy the linear equations ax+by+c=0 ……………

    Text Solution

    |

  14. Which of the following is not a linear equation is two variable

    Text Solution

    |

  15. The value of k for which the pair of linear equations 4x + 6y -1= 0 an...

    Text Solution

    |

  16. A pair of linear equations has no solution then the graphical represen...

    Text Solution

    |

  17. If ( a(1))/(a(2)) cancel( =) ( b(1))/(b(2)) where a(1) x + b(1) y + c...

    Text Solution

    |

  18. If (a(1))/(a(2))=(b(1))/(b(2))cancel(=)(c(1))/(c(2)) where a(1)x + b(...

    Text Solution

    |

  19. GCD of any two prime numbers is ""

    Text Solution

    |

  20. The GCD of x^(4) - y^(4) and x^(2) -y^(2) is

    Text Solution

    |