Home
Class 7
MATHS
If P = -(x - 2), Q = -2(y +1) and R = -...

If `P = -(x - 2), Q = -2(y +1)` and `R = -x + 2y,` find a, when ` P+ Q + R = ax`

Text Solution

Verified by Experts

The correct Answer is:
a=-2
Promotional Banner

Topper's Solved these Questions

  • PREP TEST 2

    MTG IIT JEE FOUNDATION|Exercise SECTION-B|30 Videos

  • PREP TEST 1

    MTG IIT JEE FOUNDATION|Exercise SECTION-B|29 Videos

  • RATIONAL NUMBERS

    MTG IIT JEE FOUNDATION|Exercise OLYMPIAD/HOTS CORNER|20 Videos

Similar Questions

Explore conceptually related problems

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 P+Q+R=0.

In Fig. 6.43, if P Q_|_P S , P Q|| S R , /_S Q R=28^@ and /_Q R T=65^@ , then find the values of x and y.

Let R = {(x,y): x, y in Z, y = 2x-4] . If (p,-2) and [4, q^(2))in R , then find the value of p and q

If P=7x^2+5xy-9y^2 ,\ Q=4y^2-3x^2-6x y\ and R=-4x^2+x y+5y^2,\ s how\ t h a t\ P+Q+R=0.

y^(2) = 4x is a curve and P, Q and r are three points on it, where P = 1,2, Q = (1/4, 1) and the tangent to the curve at R is parallel to the chord PQ of the curve, then coordinates of R are

If P= (x^3+y^3)/((x-y)^2+3xy), Q= ((x+y)^2-3xy)/(x^3-y^3) and R=((x+y)^2+(x-y)^2)/(x^2-y^2) , then (P div Q) xx R is equal to: यदि P= (x^3+y^3)/((x-y)^2+3xy), Q= ((x+y)^2-3xy)/(x^3-y^3) तथा R=((x+y)^2+(x-y)^2)/(x^2-y^2) है, तो (P div Q) xx R का मान क्या होगा ?

MTG IIT JEE FOUNDATION-PREP TEST 2 -SECTION-B
  1. What number should be subtracted from 12/21, so that the resultant wil...

    Text Solution

    |

  2. If in 5 less than thrice a number, 7 is added, the result is 14. Find ...

    Text Solution

    |

  3. If P = -(x - 2), Q = -2(y +1) and R = -x + 2y, find a, when P+ Q + R...

    Text Solution

    |

  4. The sum of four consecutive natural numbers is 722. Find the numbers.

    Text Solution

    |

  5. Find the perimeter of the given shape (Take pi =22/7)

    Text Solution

    |

  6. Solve: 15.3 + 3-1/4 of (19.6 - 6.8) + 0.5 xx 7.5

    Text Solution

    |

  7. In the given figure, FD is the bisector of angleEFG, also angleFDE = a...

    Text Solution

    |

  8. If A =3x^(2) -4x +1, B =5x^(2) + 3x-8 and C = 4x^(2) - 7x + 3, then fi...

    Text Solution

    |

  9. The speed of light in vacum is 3xx10^(8)m/s. Sunlight takes about 8 mi...

    Text Solution

    |

  10. Solve for: x: (5x-2)/2 -(x-3)/5 =(x-6)/3

    Text Solution

    |

  11. If the selling price of 10 eggs is same as the cost price of 11 eggs, ...

    Text Solution

    |

  12. In a test, +3 marks are given for every correct answer and –1 mark are...

    Text Solution

    |

  13. Insert 3 equivalent rational numbers between 0 and -10

    Text Solution

    |

  14. Find the areas of triangleMNO, triangleMOP and triangleMPQ in the giv...

    Text Solution

    |

  15. A school playground is divided by a 2 m wide path which is parallel to...

    Text Solution

    |

  16. Rita has bought a carpet of size 4m xx 6(2/3) m . But her room size is...

    Text Solution

    |

  17. A man travelled two fifth of his journey by train, one-third by bus on...

    Text Solution

    |

  18. If the heights of two poles are 22 m and 37 m and the distance between...

    Text Solution

    |

  19. Draw two parallel lines at a distance of 2.2 cm apart.

    Text Solution

    |

  20. The marks in a subject for 12 students are as follows: 31, 37, 35, 38,...

    Text Solution

    |