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If 2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1),...

If `2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1),` then a & b are respectively :

A

`2, 1`

B

`2, -1`

C

`1, 2`

D

`-1, 1//2`

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The correct Answer is:
A
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MOTION-BASIC MATHEMATIC & LOGARITHM -Exercise - 1
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  2. If x - a is a factor of x^(3) - a^(2)x + x + 2 , then 'a' is equal...

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  3. If 2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1), then a & b are respectively :

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  4. If x, y are rational numbers such that x+ y+(x-2y)sqrt2=2x-y+(x-y-1)sq...

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  5. [2/log4(2000)^6+3/log5(2000)^6]

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  6. 1/(1 + log(b) a + log(b) c)+ 1/(1 + log(c)a + log(c)b) + 1/(1 + log(a)...

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  7. The greatest integer less than or equal to the number log2(15)xx log(...

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  8. Anti logarithm of 0.75 to the base 16 has the value equal to

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  9. The number log(2) 7 is

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  10. The retio (2^(log(2^1/4)) a-3log27(a^2+1)^3-2a)/(7^(4log49 a-a-1) s...

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  11. 1/(log(sqrt(bc))abc)+1/(log(sqrt(ca))abc)+1/(log(sqrt(ab))abc) has the...

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  12. If 3^(2 log3 x)-2x-3=0, then the number of values of 'x' satisfying th...

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  13. If logx log18 (sqrt2+sqrt8)=1/3. Then the value of 1000 x is equal to

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  14. Number of real solution(s) of the equation |x-3|^(3x^2-10x+3)=1 is :

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  15. Number of real solution of the equation sqrt(log(10)(-x)) = log(10) sq...

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  16. Solve for x: log(4) log(3) log(2) x = 0.

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  17. 2 log(4) (4 - x) = 4 - log(2) ( - 2 - x).

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  18. log(10)^(2) x + log(10) x^(2) = log(10)^(2) 2 - 1

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  19. Solve log(2).(x-1)/(x-2) gt 0 or (x-1)/(x-2) gt 2^(0) .

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  20. Solve (log)(0. 04)(x-1)geq(log)(0. 2)(x-1)

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