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If a ,b ,a n dc are in G.P., then the eq...

If `a ,b ,a n dc` are in G.P., then the equations `a x^2+2b x+c=0a n ddx^2+2e x+f=0` have a common root if `d/c , e/b ,f/c` are in a. A.P. b. G.P. c. H.P. d. none of these

A

GP

B

AP

C

HP

D

None of these

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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 4-MCQS
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  2. The distance of the point 3hati+5hatk from the line parallel to 6hati+...

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  3. If a ,b ,a n dc are in G.P., then the equations a x^2+2b x+c=0a n ddx^...

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  4. The point on the line (x-2)/1=(y+3)/(-2)=(z+5)/(-2) at a distance of 6...

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  5. If from the point P(f,g,h) perpendiculars PI,PM br drawn to yz and zx ...

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  6. A plane meets the coordinate axes in A,B,C such that the centroid of t...

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  7. Every gram of wheat provides 0.1 g of proteins and 0.25g of carbohydra...

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  8. Let f:R->R be a function such that f((x+y)/3)=(f(x)+f(y))/3 ,f(0) = ...

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  9. If y=(1+x)(1+x^2)(1+x^4)...(1+x^(2^n)) then (dy)/(dx) at x=0 is

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

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  11. If f(x) satifies of conditiohns of Rolle's theorem in [1,2] and f(x) i...

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  12. The function f(x)=(ax+b)/((x-1)(x-4)) has a local maxima at (2,-1), th...

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  13. int 1/((x-1)^3(x+2)^5)^(1/4)dx is equal to

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  14. l=int(-2)^(1)(tan^(-1)x+"cot"^(-1)(1)/(x))dx is equal to

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  15. iint(0)^(pi)sin^(4)xcos^(6)x dx is equal to

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  16. The solution of the differential equation {1/x-y^(2)/(x-y)^(2)}dx+{x...

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  17. Sum of the series 1+2.2+3.2^2 +4.2^3+.....+100.2^99 is

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  18. Suppose X has a binomial distribution B(6,1/2). Show that X = 3is the ...

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  19. A discret random variable X has the following probability distribution...

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  20. If A=[(1,0,0),(0,1,0),(3,4,-1)] and A^(n)=l, then value of n is equal ...

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