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Integral part of 7 + 4sqrt3)^n is (n in ...

Integral part of 7 + 4sqrt3)^n` is `(n in N)`

A

an even number

B

an odd number

C

an even or an odd number depending upon the value of n

D

nothing can be said

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The correct Answer is:
B
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AAKASH SERIES-BINOMIAL THEOREM-EXERCISE - II
  1. Larger of 99^50+100^50 and 101^50

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  2. The remainder left out when 8^(2n) - 6(2)^( 2n+1) is divided by 9 is

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  3. Integral part of 7 + 4sqrt3)^n is (n in N)

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  4. Integral part of (7 + 5sqrt2)^(2n+1) is (n in N)

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  5. If (6 sqrt6+14)^(2n+1)=R and F=[R], where [R] denotes the greatest int...

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  6. The integral part of (sqrt2+1)^6 is

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  7. ""^(n) C(r+1)+2""^(n)C(r) +""^(n)C(r-1)=

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  8. If Ck is the coefficient of x^k in the expansion of (1 + x)^2005 and i...

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  9. The sum of the series ""^20C0 - ""^20C1 + ""^20C2 - ""^20C3 +…….""^20C...

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  10. If S(n) = underset (r=0) overset( n) sum (1) /(""^(n) C(r)) and T...

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  11. C0 - [C1 -2.C2+ 3.C3-……..+(-1)^(n-1).n.Cn] =

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  12. C0+4. C1 + 7. C2+…...(n+1) terms =

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  13. 2. C2 + 6. C3 + 12. C4 +….. + n (n-1) . Cn=

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  14. Sum of last 8 coefficients in (1 + x)^16 is

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  15. C0 + (C1)/(2) (4) + (C2)/(3) (16) + …………..+(Cn)/(n + 1) (2^(2n))

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  16. (1 +x)^15 = a0 + a1x +…..+a15 x^15 rArr sum(r = 1)^15 r (ar)/(a(r - 1)...

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  17. The value of sum(r = 1)^15 r^2 ((""^15Cr)/(""^15C(r - 1)) ) of is equa...

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  18. If ak is the coefficient of x^k in the expansion of (1 +x+x^2)^n for k...

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  19. Find the sum of the following (""^(15)C(1))/(""^(15)C(0))+2(""^(15)C...

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  20. If a0, a1 , a2 …..an are binomial coefficients then (1 + a1/a0)(1 +a2/...

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