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Question
If a = 3 and b = 2, then find the value of the following.
(a + b)b
Sum
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Solution
(a + b)b
Substituting a = 3 and b = 2
we get (3 + 2)2
= 52
= 5 × 5
= 25
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Unit Digit of Numbers in Exponential Form
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Chapter 3: Algebra - Exercise 3.1 [Page 52]
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