Home
Class 12
MATHS
xdotC(21)+ydotC(22)+zdotC(23) is (a)0 ...

`xdotC_(21)+ydotC_(22)+zdotC_(23) is` `(a)0` (b) `delta` (c) `-delta` (d) None of these

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

qdotM_(12)+ydotM_(22)+mdotM_(32)= (a) 0 (b) triangle (c) -triangle (d) None of these

pdotC_(21)+qdotC_(22)+rdotC_(23)= (a) 0 (b) triangle (c) -triangle (d) 4

What kind of triangle is formed by A(1, 2), B(4, 3) and C(5, 6)? (a)Equilateral (b)Isosceles (c)Right Angle (d)None of these

If a, b, c are linearly independent vectors and delta =|(a,b,c),(a.a,a.b,a.c),(a.c,b.c,c.c)| then (a)delta = 0 (b) delta = 1 (C) A=any non-zero volue (d)None of these

If A,B,C, are the angles of a triangle such that cot(A/2)=3tan(C/2), then sinA ,sinB ,sinC are in (a)AdotPdot (b) GdotPdot (c) HdotPdot (d) none of these

Which of the following is point symmetric? (a) Equilateral triangle (b) Trapezium (c) Rectangle (d) None of these

(15)^(2)+(18)^(2)-20=sqrt(?)( a) 22(b)23(c)529(d)279841 (e) None of these

The area of the triangle formed by the point A(2,0),B(6,0) and C(4,6) is 24 squnits (b) 12 squnits 10 squnits (d) none of these

In any triangle ABC if 2cos B=(a)/(c), then the triangle is(A) Right angled (C) Isosceles (B) Equilateral (D) None of these

If all the vertices of a triangle have integral coordinates,then the triangle may be (a) right- angle(b) equilateral (c) isosceles(d) none of these

RESONANCE DPP-JEE MAINS-All Questions
  1. If the equation sin^4x-(k+2)sin^2x=(k+3) has a solution then ' k ' mus...

    Text Solution

    |

  2. Let the function f, g, h are defined from the set of real numbers RR t...

    Text Solution

    |

  3. xdotC(21)+ydotC(22)+zdotC(23) is (a)0 (b) delta (c) -delta (d) Non...

    Text Solution

    |

  4. The number of real solution of equation Sin(e^x) = 5^x + 5^(-x) is :

    Text Solution

    |

  5. qdotM(12)+ydotM(22)+mdotM(32)= (a) 0 (b) triangle (c) -triangle (d...

    Text Solution

    |

  6. The left hand derivative of f(x)=[x]sin(pix) at x = k, k is an intege...

    Text Solution

    |

  7. If 4a^2+c^2=b^2-4a c , then the variable line a x+b y+c=0 always passe...

    Text Solution

    |

  8. If f(x)={[x]+sqrt({x}),x<1 1/([x]+{x}^2),xgeq1 , then [where [.] and {...

    Text Solution

    |

  9. pdotC(21)+qdotC(22)+rdotC(23)= (a) 0 (b) triangle (c) -triangle (d...

    Text Solution

    |

  10. Let A" "=" "{9," "10 ," "11 ," "12 ," "13} and let f" ":" "A ->N be de...

    Text Solution

    |

  11. If (0,1),(1,1)a n d(1,0) be the middle points of the sides of a triang...

    Text Solution

    |

  12. The quadratic equation whose root:s are sec^2 alpha and cosec^2 alpha...

    Text Solution

    |

  13. Consider the function f(x) = (.^(x+1)C(2x-8))(.^(2x - 8)C(x + 1)) Sta...

    Text Solution

    |

  14. if a,b,c are positive real numbers such that a^(log3(7));b^(log7(11))=...

    Text Solution

    |

  15. The graph of the function y =f(x). Then which of the following could r...

    Text Solution

    |

  16. Let 0 lt alpha lt (pi)/(2) be a fixed angle . If p=(costheta, sin the...

    Text Solution

    |

  17. The interior angle bisector of angle P for the trangle P Q R whose coo...

    Text Solution

    |

  18. The graph of function f1(x)={1,ifxlt=0x^2+1,if0<x<2,f2(x)=(log)(1/2)(x...

    Text Solution

    |

  19. The set of solution of inequality [x]^2=-[x], where [.] denotes greate...

    Text Solution

    |

  20. ("lim")(xvec0)[(sin(sgn(x)))/((sgn(x)))], where[dot] denotes the great...

    Text Solution

    |