Question Detail

MTH 101 Binomial Expansion Objective Question
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Question

Expand (2 - x)^2 in ascending powers of x.
Options
A 4 - 4x + x^2
Correct Answer
B 4 + 4x + x^2
C 2 - 2x + x^2
D 2 + 2x + x^2
Correct Answer

Option A is the correct answer.

Detailed Explanation

(2 - x)^2 = 4 - 4x + x^2

Hint

Use formula (a-b)^2 = a^2 - 2ab + b^2.

Question Info

Course: MTH 101
Topic: Binomial Expansion
Type: Objective
Difficulty: Not specified
Question 75 of 696
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