Q. 7 H5.0( 1 Vote )

# Solve the equation in each of the following.

Answer :

⇒

⇒

(∵ log_{a}(M ÷ N) = log_{a}M - log_{a}N)

⇒

(∵ a^{x} = b is the exponential form of logarithmic form log_{a}b)

⇒

⇒

⇒ 5x - 2 = 3(x + 4)

⇒ 5x - 2 = 3x + 12

⇒ 5x - 3x = 12 + 2

⇒ 2x = 14

⇒ x = 7

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Without actual division, find which of the following rational numbers have terminating decimal expansion.

i. ii.

iii. iv.

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iii. iv.

v. vi.

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