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The value of .^(20)C(10)+.^(20)C(1)+.^(2...

The value of `.^(20)C_(10)+.^(20)C_(1)+.^(20)C_(2)+.^(20)C_(3)+.^(20)C_(4)+.^(20)C_(12)+.^(20)C_(13)+.^(20)C_(14)+.^(20)C_(15)` is

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1.^(20)C_(1)-2.^(20)C_(2)+3.^(20)C_(3)-...-20.^(20)C_(20)

The value of 1^(1).^(20)C_(1)+2^(2).^(20)C_(2)+3^(2).^(20)C_(3)+….+(20)^(2).^(20)C_(20) is

The value of (.^(21)C_(1) - .^(10)C_(1)) + (.^(21)C_(2) - .^(10)C_(2)) + (.^(21)C_(3) - .^(10)C_(3)) + (.^(21)C_(4) - .^(10)C_(4)) + … + (.^(21)C_(10) - .^(10)C_(10)) is (A) 2^(21) - 2^(11) (B) 2^(21) - 2^(10) (C) 2^(20) - 2^(9) (D) 2^(20) - 2^(10)

The sum of the series .^(20)C_(0)-.^(20)C_(1)+ .^(20)C_(2)-.^(20)C_(3)+...-.+ .^(20)C_(10) is -

Evaluate: .^(20)C_(5)+^(20)C_(4)+^(21)C_(4)+^(22)C_(4)

The value of "^20 C_0+^(20)C_1+^(20)C_2+^(20)C_3+^(20)C_4+^(20)C_ 12+^(20)C_ 13+^(20)C_14+^(20)C_15 is a. 2^(19)-(( "^(20)C_10 + "^(20)C_9))/2 b. 2^(19)-((^(20)C 10+2xx^(20)C9))/2 c. 2^(19)-(^(20)C 10)/2 d. none of these

Evaluate the following : (i) 1+.^(20)C_(1)+^(20)C_(2)+^(20)C_(3)+....+^(20)C_(19)+^(20)C_(20) (ii) ^(10)C_(1)+^(10)C_(2)+^(10)C_(3)+.....+^(10)C_(9) (iii)^(25)C_(1)+^(25)C_(3)+^(25)C_(5)+.....+^(25)C_(25) (iv) ^(18)C_(2)+^(18)C_(4)+^(18)C_(4)+^(18)C_(6)+....+^(18)C_(18)

FIITJEE-MATHEMATICS TIPS-NUMERICAL DECIMAL BASED QUESTIONS
  1. The value of .^(20)C(10)+.^(20)C(1)+.^(20)C(2)+.^(20)C(3)+.^(20)C(4)+....

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  2. If in an A.P. a(7)=9 and if a(1)a(2)a(7) is least, then common differ...

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  3. If x, y, z are positive real numbers, then minimum value of (z)/(x+y)+...

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  4. If the difference of the roots of the equation x^(2)-5x+6=0 is same as...

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  5. The minimum value of 'a' for which a^(2)x^(2)+(2a-1)x+1 is non-negativ...

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  6. The minimum value of the expression [3x^(2)+4x+5] (where [.] greatest ...

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  7. Let lambda be real. If. The origin and the complex roots of 2z^(2)+2z+...

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  8. The equation |z-i|+|z+i|=k, k gt 0 can represent an ellipse, if k=

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  9. For |z-1|=1, i tan(("arg"(z-1))/(2))+(2)/(z) is equal to

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  10. The sum of the rational terms in the expansion of (sqrt(2)+ root(5...

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  11. Find out the sum of the coefficients in the expansion of the binomial ...

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  12. A fair coin is tossed 100 times. The probability of getting tails an ...

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  13. The probabilities of two events are 0.25 and 0.50. The total probabili...

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  14. Let A=[{:(x^(2),6,8),(3,y^(2),9),(4,5,z^(2)):}],B=[{:(2x,3,5),(2,2y,6)...

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  15. The number of non-zero diagonal matrices of order 4 satisfying A^(2)=A...

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  16. Find the following system of equations is consistent, (a+1)^3x+(a+2...

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  17. The maximum value of determinant |{:(cos(alpha+beta),sin alpha,-cos al...

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  18. If x+y+z=10, where x,y,z in N. Find the number of solutions of triplet...

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  19. The figures 4, 5, 6, 7, 8 are written in every possible order. The num...

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  20. If a^(2)+b^(2)+c^(2)=1 where, a,b,cin R, then the maximum value of (4a...

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  21. Let vec a , vec b a n d vec c be three vectors having magnitudes 1...

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