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If (3sqrt(3)+5)^(2n+1)=x" and "f=x-[x] w...

If `(3sqrt(3)+5)^(2n+1)=x" and "f=x-[x]` where ([x] is the integral part of x), find the value of x.f.

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The correct Answer is:
`:." xf"=2^(2n+1)`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-BINOMIAL THEOREM-TETUAL EXERCISES (EXERCISE - 6(a)) III.
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  9. Find the term independent of x in (1+3x)^(n)(1+(1)/(3x))^(n).

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  10. Show that the middle term in the expansion of (1+x)^(2n)" is "(1.3.5. ...

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  11. If (1+3x-2x^(2))^(10)=a(0)+a(1)x+a(2)x^(2).+…+a(20)x^(20) then prove t...

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  12. If (1+3x-2x^(2))^(10)=a(0)+a(1)x+a(2)x^(2).+…+a(20)x^(20) then prove t...

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  13. If (3sqrt(3)+5)^(2n+1)=x" and "f=x-[x] where ([x] is the integral part...

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  14. If R, n are positive integers, n is odd, 0lt F lt1" and if "(5sqrt(5...

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  15. If R, n are positive integers, n is odd, 0lt F lt1" and if "(5sqrt(5...

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  16. Prove that : Suppose that n is a natural number and I, F are respecti...

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  17. Prove that : Suppose that n is a natural number and I, F are respecti...

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