Evaluate
\left(a+b\right)^{6}\left(a+b^{3}\right)^{4}
Expand
a^{10}+4a^{7}b^{9}+a^{6}b^{12}+24a^{6}b^{10}+90a^{6}b^{8}+6a^{5}b^{13}+60a^{5}b^{11}+120a^{5}b^{9}+60a^{5}b^{7}+15a^{4}b^{14}+80a^{4}b^{12}+90a^{4}b^{10}+24a^{4}b^{8}+a^{4}b^{6}+20a^{3}b^{15}+60a^{3}b^{13}+36a^{3}b^{11}+4a^{3}b^{9}+15a^{2}b^{16}+24a^{2}b^{14}+6a^{2}b^{12}+6ab^{17}+4ab^{15}+b^{18}+6b^{6}a^{8}+60b^{5}a^{7}+24b^{4}a^{8}+15b^{4}a^{6}+4b^{3}a^{9}+20b^{3}a^{7}+15b^{2}a^{8}+6ba^{9}+36\left(ab\right)^{7}+80\left(ab\right)^{6}+6\left(ab\right)^{5}
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