The temperature rises 10 degrees by noon and then falls 10 degrees by 3pm. Is this an example opposites?
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Given:
Principal = Rs. 1200
Rate of interest = 25%
To find:
The time in which the interest will became equal to the principal.
Solution:
We have,
If interest is equal to the principal, then
The formula for amount is:
Substituting in the above formula, we get
Taking log on both sides, we get
Therefore, the interest will became equal to the principal in about 3.11 years.
Answer:
lim [(x(2) + 3) × 1/ x(4) ] = 3 × ( + ○○) = + ○○
