Question

Obtain the derivative of the following function using first principle of derivative:
Q. x^3​

Answer 1

Answer:

Step-by-step explanation:

1) write down the formula used in first principals .(N.B the limit always goes on the right of the equal sign .

2) simplify by expanding ()^3 where (a+b)^3 = a^3 + 3a^2b = 3ab^2 + b^2

3) simplify by cancellation and thereafter common factor

4)substitute ''h'' wherever possible and for the answer remove the limit when writing the answer .

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