Home
Class 12
MATHS
If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), the...

If `8f(x)+6f(1/x)=x+5` and `y=x^2(f(x),` then `(dy)/(dx)` at `x=-1` is equal to (a)0 (b) `1/(14)` (c) `-1/4` (d) None of these

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), then (dy)/(dx) at x=-1 is equal to 0 (b) -1/(14) (c) -1/4 (d) None of these

If 5f(x)+3f(1/x)=x+2 and y=x f(x), then find dy/dx at x=1 .

If 5f(x)+3f(1/x)=x+2 and y=x f(x), then find dy/dx at x=1 .

if f'(x)=sqrt(2x^2-1) and y=f(x^2) then (dy)/(dx) at x=1 is:

if f'(x)=sqrt(2x^2-1) and y=f(x^2) then (dy)/(dx) at x=1 is:

If f^(prime)(x)=sqrt(2x^2-1) and y=f(x^2),t h e n(dy)/(dx) at x=1 is (a)2 (b) 1 (c) -2 (d) none of these

If 2f(x)-3f(1/x)=x^2(x!=0), then f(2) is equal to (a) -7/4("b")""5/2 (c) -1 (d) none of these

Let f'(x) = sin(x^2) and y = f(x^2 +1) then dy/dx at x=1 is

If f(x)=(x+1)^(cotx) be continuous at x=0, the f(0) is equal to (a) 0 (b) 1/e (c) e (d) none of these

If y=f((2x-1)/(x^2+1)) and f^'(x)=sinx^2 , then find (dy)/(dx)

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. If f(x),g(x),h(x) are polynomials in x of degree 2 and F(x)=|fghf'g' h...

    Text Solution

    |

  2. STATEMENT 1 : When a polynomial P(x)(d egr e e >2) is divided by (x-1)...

    Text Solution

    |

  3. If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), then (dy)/(dx) at x=-1 is equal t...

    Text Solution

    |

  4. Solve each of the following system of equations in Rdot |x-1|+|x-2...

    Text Solution

    |

  5. The complete solution set of the inequation sqrt(x+18)<2-x , is (-18 ,...

    Text Solution

    |

  6. If (lim)(xvecoo)(2+(f(x))/(x^2))^(1/x)=e and f(x)=a0+a1x+a2x^3+ , then

    Text Solution

    |

  7. The matrix A has x rows and (x+5) column. If the matrix B has y rows a...

    Text Solution

    |

  8. If y=xln((a x)^(-1)+a^(-1)) prove that x(x+1)(d^2y)/(dx^2)+(dy)/(dx)=y...

    Text Solution

    |

  9. If the solution of the equation |(x^4-9)-(x^2+3)|=|x^4-9|-|x^2+3| is ...

    Text Solution

    |

  10. In the given figure (circle), P T=5,P D=7a n dP A=2, then the value of...

    Text Solution

    |

  11. Consider the matrices A=[(4,6,-1),(3,0,2),(1,-2,5)], B=[(2,4),(0,1),(...

    Text Solution

    |

  12. The solution set of the equation (x+1)log(3)^(2)x+4xlog(3)-16=0is

    Text Solution

    |

  13. If y = f(x),has following graph Match the column by filling follo...

    Text Solution

    |

  14. Let G(x)=(1/(a^x-1)+1/2)F(x), where a is a positive real number not eq...

    Text Solution

    |

  15. If {.} represents fractional part function and {x}+{-x}=x^2+x-6 , then...

    Text Solution

    |

  16. Line x/a+y/b=1 cuts the coordinate axes at A(a ,0)a n dB(0,b) and the ...

    Text Solution

    |

  17. The vlaue of (81^((1)/(log(5)9))+3^((3)/(log(sqrt(6))3)))/(409)((sqrt(...

    Text Solution

    |

  18. If a curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gra...

    Text Solution

    |

  19. Complete solution of inequality ||3x-9|+2|>2 is (a)(-oo,oo) (b) {3} ...

    Text Solution

    |

  20. vec axx( vec bxx vec c) , vec bxx( vec cxx vec a) and vec cxx( vec a...

    Text Solution

    |