3. Prove the following identity: Xn i=1 9 10i = 1 ? 1 10n : 1...

Question

Question

3. Prove the following identity:
Xn
i=1
9
10i = 1 ?
1
10n :
1

Answer 1

Answer #1

=1-1 lod 102 i=1 - 10 Y-L - 10 10 10 for n=1 LHS = 9 g Lot 10-19 RHS 1-1 lot Hence result is true for mai Now let Result is t

Answer 2

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