Chow Tien Wei's answer to Mag's Secondary 4 A Maths Singapore question.
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Integration is essentially reverse differentiation. Since the derivative of 1+x^5 is x^4 and the power of 1+x^5 in the denominator is 1, the integral will be a ln function
Date Posted:
2 years ago
missed out a 1/5.
derivative of 1+x^5 should be 5x^4,
so answer should be (1/5)ln|1+x^5|+C.
derivative of 1+x^5 should be 5x^4,
so answer should be (1/5)ln|1+x^5|+C.
Ah yes. Thx for pointing that out
Thx
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