AM-1731

Integrating standard functions

A Math · Secondary 4 · Hard · Integrating standard functions

1. $-\dfrac{1}{8}(1+2x)(5-2x)^4 + C$
2. $-\dfrac{1}{8}(1+4x)(5-2x)^4 + C$
3. $-\dfrac{1}{80}(5+8x)(5-2x)^4 + C$
4. $\dfrac{1}{16}(1+4x)(5-2x)^4 + C$

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