n to the power 200 is less than 5 to the power 300.find the largest integer n that satisfies the equation.
Answers
Answered by
4
ie 25 because
5to the power 300=
5to the power 3×100 ie
125to the power 100
25 to the power 2×100 is answer
5to the power 300=
5to the power 3×100 ie
125to the power 100
25 to the power 2×100 is answer
aritra4:
The solution is elegant but it involves quite a bit of hit n trial process.. what if I say i raise the common power to 5 rather than 100.....n why not use logarithmic inequalitues.
Answered by
5
Answer:
n = 11 will satisfy n²⁰⁰ < 5³⁰⁰
Step-by-step explanation:
Given that n²⁰⁰ < 5³⁰⁰
We know that (xᵃ)ᵇ = xᵃᵇ
Therefore, using this property, we get
(n²)¹⁰⁰ < (5³)¹⁰⁰
Raising both the sides to the power 1/100
We know that = x
Therefore, using this property,
=> n² < 5³
=> n² < 125
Taking square root both side, we get
=> n <
=> n < 11.18
Therefore, the largest integer n < 11.18 is 11
Therefore, n = 11 will satisfy n²⁰⁰ < 5³⁰⁰
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