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How many terms are there in the expressi...

How many terms are there in the expression of `( 1+ 2x + x^(2))^(5) + ( 1+ 4y+ 4y^(2))^(5)` ?

A

12

B

20

C

21

D

22

Text Solution

Verified by Experts

The correct Answer is:
C
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PUNEET DOGRA-BINOMIAL THEOREM-PREV YEAR QUESTIONS
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  2. If the middle terms in the expression of ( x^(2) + ( 1)/( x))^(2n) is ...

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  3. In n! has 17 zeros, then what is the value of n?

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  4. If the constant term in the expression of ( sqrt( x) - ( k ) /(x^(2)))...

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  5. Find the number of terms in the expansion of [ ( 2x - 3y )^(2) ( 2x + ...

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  6. In the expansion of ( 1+ ax)^(n), first three terms are 1,12x and 64x^...

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  7. Let the coefficient of the middle term of the binomial expansion of ( ...

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  8. What is the coefficient of the middle term in the binomial expansion o...

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  9. What is the number of non zero terms in the expansion of ( 1+ 2 sqrt( ...

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  10. If the coefficient of a^(m) and a^(n) in the expansion of ( 1+ a)^(m+n...

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  11. In the expansion of ( 1+ x )^(43), if the coefficient of (2r + 1)^(th)...

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  12. What is the greatest integer among the following by which the number 5...

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  13. The number of terms in the expansion of ( x +a)^(100) + ( x -a)^(100) ...

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  14. In the expansion of ( 1+ x)^(50), the sum of the coefficient of odd po...

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  15. The value of : [ C ( 7,0) + C ( 7,1) + C ( 7,2) ]+"........."+[C ( 7,6...

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  16. Consider the expansion of ( 1+ x)^(2n+1) The expansion of ( x-y)^(n)...

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  17. Consider the expansion of ( 1+ x)^(2n+1) What is ""^(47)C(4) + ""^(...

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  18. Consider the expansion of ( 1+ x)^(2n+1) The coefficient of x^(99) ...

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  19. Consider the expansion ( x^(2) + ( 1)/( x))^(15) What is the indepe...

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  20. Consider the expansion ( x^(2) + ( 1)/( x))^(15) The sum of the coef...

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