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Euler's Numerical method help
Consider this differential equation,
$dy/dx = x + \sin(y)$
with initial condition $y = 0.5$ when $x = 1.2$:
Write down the recurrence relation for Euler's numerical method
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Find the sum of all the multiples of 3 or 5 below 1000
How to solve this problem, I can not figure it out:
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of ...
