1
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
In a binomial expansion of $(x+y)^{2 n+1}(x-y)^{2 n+1}$, the sum of middle terms is zero. What is the value of $\left(\frac{x^2}{y^2}\right)$ ?
2
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Consider the equation (1 - x)4 + (5 - x)4 = 82.
What is the number of real roots of the equation?
3
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Consider the equation (1 - x)4 + (5 - x)4 = 82.
What is the sum of all the roots of the equation?
4
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Let (1 + x)n = 1 + T1x + T2x2 + T3x3 + ... + Tnxn.
What is T1 + 2T2 + 3T3 + ... + nTn equal to ?
Questions Asked from Binomial Theorem (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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