Question

Question 6 Find the derivative of x^n + ax^(n-1) + a^2 x^(n-2) +...+ a^(n-1) x + a^n for some fixed real number a.

Class XI - Limits and Derivatives Page 313

Answer 1

heya
refer to the attachment.

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formula used .

d/dx(xⁿ) = nxⁿ-¹
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