Q2. If then show that , .
Given :
To prove:
For n=1, we have
Thus, result is true for n=1.
Now, take n=k,
For, n=k+1,
Thus, the result is true for n=k+1.
Hence, we have , where .
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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