Calculus
f′(x)=57x7+1f^{\(\prime\)}\(\left\)(x\(\right\))=5\(\sqrt\)7x^{\(\sqrt\)7+1}
f′(x)=75x7+1f^{\(\prime\)}\(\left\)(x\(\right\))=7\(\sqrt\)5x^{\(\sqrt\)7+1}
f′(x)=57x7−1f^{\(\prime\)}\(\left\)(x\(\right\))=5\(\sqrt\)7x^{\(\sqrt\)7-1}
f′(x)=75x7−1f^{\(\prime\)}\(\left\)(x\(\right\))=7\(\sqrt\)5x^{\(\sqrt\)7-1}