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The number of real solution of the equat...

The number of real solution of the equation `(9/10)^x = -3+x-x^2` is

A

0

B

1

C

2

D

none of these

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The correct Answer is:
A
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FIITJEE-QUADRATIC EQUATION & EXPRESSION -ASSIGNMENT PROBLEMS (OBJECTIVE) Level - I
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  3. Let f(x)=x^(2)+ax+b be a quadratic polynomial in which a and b are int...

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  6. Number of ordered pair (x, y) satisfying x^(2)+1=y and y^(2)+1=x is

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  7. If x^2 + ax + b is an integer for every integer x then

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  10. f(x) is a polynomial of degree three with rational co - efficients. If...

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  11. If alpha, beta be the roots of ax^(2)+bx+c=0(a, b, c in R), (c )/(a)lt...

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  12. The solution of the equation 1!+2!+3!+…+x!=k^(2) where k in l are

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  15. lf p, q, r in R and the quadratic equation px^2 + qx + r = 0 has no re...

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  16. If x^2-4x+log(1/2)a=0 does not have two distinct real roots, then maxi...

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  17. The least value of |a| for which tan theta and cot theta are the roots...

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