WAEC - Mathematics (1989 - No. 44)
Given that logp = 2 logx + 3logq, which of the following expresses p in terms of x and q?
p = 5xq
p = 6xq
p = x2 + q3
p = 2x + 3q
p = x2q3
คำอธิบาย
log p = 2log x + 3log q
log p = logx 2 + logq 3
logp = log x 2q 3
p = x 2q 3
log p = logx 2 + logq 3
logp = log x 2q 3
p = x 2q 3