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Find the remainder when 7^(98) is divide...

Find the remainder when `7^(98)` is divided by 5.

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
  1. Show that 9^(n+1)-8n-9 is divisible by 64, where n is a positive integ...

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  2. If the 3rd, 4th. 5th and sixth term in the expansion of (x+alpha)^n ar...

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  3. Find the remainder when 7^(98) is divided by 5.

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  4. Show that 2^(4n+4)-15n-16, where n in N is divisible by 225.

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  5. If (2+sqrt(3))^n=I+f, where I and n are positive integers and 0lt f lt...

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  6. Find the degree of the polynomial 1/(sqrt(4x+1)){((1+sqrt(4x+1))/2)^7-...

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  7. If 9^7+7^9 is divisible b 2^n , then find the greatest value of n ,w...

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  8. Prove that sqrt(10)[(sqrt(10)+1)^(100)-(sqrt(10)-1)^(100)] is an even ...

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  9. Find the remainder when x=5^(5^(5^(5...))) (24 times 5) is divided by ...

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  10. Find the remainder when 1690^(2608)+2608^(1690) is divided by 7.

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  11. Find the value of {3^(2003)//28}, w h e r e{dot} denotes the fractiona...

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  12. Find the remainder when 5^(99) is divided by 13.

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  13. Find remainder when 7^(103) is divided by 25.

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  14. Using binomial theorem prove that 6^n-5n always leaves remainder I whe...

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  15. If the coefficient of the middle term in the expansion of (1+x)^(2n+2)...

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  16. If the coefficients of three consecutive terms in the expansion of (1+...

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  17. In the coefficients of rth, (r+1)t h ,a n d(r+2)t h terms in the binom...

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  18. Prove that (C0+C1)(C1+C2)(C2+C3)(C3+C4)...........(C(n-1)+Cn) = (C0...

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  19. If the coefficients of four consecutive terms in the expansion of (1+x...

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  20. Find the sum of sum(r=1)^n r* (nCr)/(nC(r-1)

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