1.

The value of `(log_(10)2)^(3)+log_(10)8 * log_(10) 5 + (log_(10)5)^(3)` is _______.

Answer» Correct Answer - 1
Let ` log_(10)2 = p and log_(10) 5 = q`
Hence, p+q = 1
` x = p^(3) + 3pq + q^(3)`
` = (p+q)^(3) - 3 pq(p+q)+3 pq`
` = 1-3pq+3pq`
= 1


Discussion

No Comment Found