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1. যদি N = b x ( b > 0 , b ≠ 1 ) হয়, তবে x এর মান কত?
- A. x = log b N
- B. x = log b N
- C. x = log b N
- D. x = log b N
Answer: Option A
Explanation:
If N = b^x, where b is a positive integer greater than 1, then the value of x can be found by taking the logarithm of both sides of the equation with base b.
log_b(N) = log_b(b^x)
Using the logarithmic identity, we can simplify the right-hand side of the equation:
log_b(b^x) = x
Therefore, the value of x is:
x = log_b(N)
So, if you know the value of N and the base b, you can use the logarithm function to find the value of x.
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