Question

please explain step by step
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Answer 1

Answer:

a. 121

b. 49

Step-by-step explanation:

hope it will be helpful to you

Answer 2

Answer:

Please thanks my all answers

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Step by step explanation:

A) 1+3+5+7+9+11+13+15+17+19+21 = 121

B) 1+3+5+7+9+11+13 = 49

Hope it helps !!