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Statement 1: For all a ,b in R , the fu...

Statement 1: For all `a ,b in R ,` the function `f(x)=3x^4-4x^3+6x^2+a x+b` has exactly one extremum. Statement 2: If a cubic function is monotonic, then its graph cuts the x-axis only one.

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CENGAGE PUBLICATION-APPLICATION OF DERIVATIVES-All Questions
  1. Statement 1: f(x)=|x-1|+|x-2|+|x-3| has point of minima at x=3. State...

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  2. Find the point on the curve 4x^2 + a2y^2 = 4a^2, 4 < a^2 < 8 that is f...

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  3. Statement 1: For all a ,b in R , the function f(x)=3x^4-4x^3+6x^2+a x...

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  4. Statement 1: f(x)=(x^3)/3+(a x^2)/2 + x+5 has positive point of maxima...

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  5. If a function f(x) has f^(prime)(a)=0 and f^(primeprime)(a)=0, then (...

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  6. The minimum value of 2^((x^2-3)^3+27) is (a) 2^(27) (b) 2 (c) 1 (d...

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  7. If f(x)=x^5-5x^4+5x^3-10 has local maximum and minimum at x=p and x=q ...

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  8. The maximum value of ((logx)/x)is

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  9. The function f(x)=(4sin^2x−1)^n (x^2−x+1),n in N, has a local minimum...

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  10. Greatest value of f(x)=(x+1)^(1/3)-(x-1)^(1/3) on [0,1] is 1 (b) ...

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  11. The equation e^(x-1)+x-2=0 as

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  12. The greatest value of the function f(x)=(sin2x)/(sin(x+pi/4)) on the i...

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  13. If [.] denotes the greatest integer function then lim(x→0)​[x^2/(tanx....

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  14. If the function f(x)=2x^3-9ax^2+12a^2x+1, where a gt 0, attains its m...

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  15. The real number x when added to its inverse given the minimum value of...

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  16. Statement 1: Let f(x)=sin(cos x) \ i n \ [0,pi/2]. Then f(x) is decr...

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  17. Let f(x)=(x-1)^4(x-2)^n ,n in Ndot Then f(x) has (a) a maximum at x=1...

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  18. Let f(x)=sinx+a x+bdot Then which of the following is/are true? (a) f...

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  19. The number of points in (-oo,oo) for which x^2-xsinx-cosx=0 is

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  20. The function f:[0,3]->[1,29], defined by f(x)=2x^3−15x^2+36x+1, is (a...

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