(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Mathematics

Solve the following:
log 7 + log (3x - 2) =  log (x + 3) + 1

Solve the following:
log ( x + 1) + log ( x - 1) = log 11 + 2 log 3

Solve the following:
log ₄ x + log ₄ (x-6) = 2

Solve the following:
log ₈ (x² - 1) - log ₈ (3x + 9) = 0

Solve the following:
log (x + 1) + log (x - 1) = log 48

Solve the following:
`log_2x + log_4x + log_16x = (21)/(4)`

Solve for x: log (x + 5) = 1

Solve for x: `("log"27)/("log"243)` = x

Solve for x: `("log"81)/("log"9)` = x

Solve for x: `("log"121)/("log"11)` = logx

Solve for x: `("log"125)/("log"5)` = logx

Solve for x: `("log"128)/("log"32)` = x

Solve for x: `("log"1331)/("log"11)` = logx

Solve for x: `("log"289)/("log"17)` = logx

Express log₁₀3 + 1 in terms of log₁₀x.

State, true of false:
log_ba =-log_ab

State, true of false:

If `("log"49)/("log"7)` = log y, then y = 100.

If log x = a and log y = b, write down
10^a-1 in terms of x

If log x = a and log y = b, write down
10^2b in terms of y

If log ₃ m = x and log ₃ n = y, write down
3^2x-3 in terms of m