What is the second derivative of y = tan² x O2+8 sec² + 6 tan¹ z O2+8 tan² z +6 (tan² z) (sec² x) O2 +8 tan² z 6 tan¹ T O2+8 tan² x + 6 tan¹ r DARREN)

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A: On solving this we will get

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A: #4

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A: Solve 3

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A: we will  prove it by principle of mathematical induction.