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BT

Question Practice

If a = x and b = -y, what is the first term in the expansion of (x - y)^n?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA

Binomial Theorem

If a = x and b = -y, what is t...

Single Answer MCQ

Q-00051985

If a = x and b = -y, what is the first term in the expansion of (x - y)^n?

1

nC0 * x^n

2

nC1 * x^(n-1) * y

3

nC0 * (-y)^n

4

nC1 * (-y)^(n-1) * x

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