Math, asked by Anonymous, 2 months ago

9) Evaluate :
18 xa10 722
76 xa8b412
DX​

Attachments:

Answers

Answered by ExploringMathematics
1

\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8} \times a^{10} b^{7})/(7^{6} \times a^{8} b^{4})}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8} \times a^{10} b^{7-4})/(7^{6} \times a^{8} )}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8} \times a^{10} b^{3})/(7^{6} \times a^{8} )}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8} \times a^{10-8} b^{3})/7^{6}}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8} \times a^{5} b^{3})/7^{6}}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{(7^{8-6} \times a^{5} b^{3})}

\longrightarrow\rm{(7^{8} \times a^{10} b^{7} c^{12})/(7^{6} \times a^{8} b^{4} c^{12})}=\rm{7^2 \times a^{5} b^{3}}=\rm{49 \times a^{5} b^{3}}

Similar questions