Log5 175-log5 7 log2 5+log2 56-log2 35

Question

Log5 175-log5 7
log2 5+log2 56-log2 35

Answer 1

1) log(175:7) = log25 = 2
     основание везде = 5
2) log(5·56 :35) = log8 = 3
    основание везде = 2