What's the rule for simplifying expressions? An example would be: (1/(x+h)) - (1/x) ty
S SargeUSMC New member Joined Sep 9, 2014 Messages 15 Oct 8, 2014 #1 What's the rule for simplifying expressions? An example would be: (1/(x+h)) - (1/x) ty Last edited by a moderator: Oct 8, 2014
I Ishuda Elite Member Joined Jul 30, 2014 Messages 3,345 Oct 8, 2014 #2 SargeUSMC said: What's the rule for simplifying expressions? An example would be: (1/x+h) - (1/x) ty Click to expand... If you mean two fractions, then n1d1+n2d2=n1 ∗ d2 + n2 ∗ d1d1 ∗ d2\displaystyle \frac{n_1}{d_1} + \frac{n_2}{d_2} = \frac{n_1\space *\space d_2\space +\space n_2\space *\space d_1}{d_1\space *\space d_2}d1n1+d2n2=d1 ∗ d2n1 ∗ d2 + n2 ∗ d1 Remember -a = + (-1) * a = + (-a)
SargeUSMC said: What's the rule for simplifying expressions? An example would be: (1/x+h) - (1/x) ty Click to expand... If you mean two fractions, then n1d1+n2d2=n1 ∗ d2 + n2 ∗ d1d1 ∗ d2\displaystyle \frac{n_1}{d_1} + \frac{n_2}{d_2} = \frac{n_1\space *\space d_2\space +\space n_2\space *\space d_1}{d_1\space *\space d_2}d1n1+d2n2=d1 ∗ d2n1 ∗ d2 + n2 ∗ d1 Remember -a = + (-1) * a = + (-a)
