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Chapter 4 Expressions using Letter-Numbers - Part 7

Find the value of a^2 - b^2 when a = 5 and b = 4.

Type: MCQ • Marks: 1
Find the value of a^2 - b^2 when a = 5 and b = 4.
Options
A. 41
B. 1
C. 20
D. 9
Explanation
5^2 - 4^2 = 25 - 16 = 9.
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Class 7th Ganita Prakash 1

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