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Now come to addition and subtraction of rational expressions. Following are the general formulas.
(a/c) + (b/c) = (a + b)/c (a/c) -( b/c) = a - b /c
As these have illustrated we've got to remember that to add or subtract rational expression or fractions we have to have common denominators. If we don't have common denominators then we have to first get common denominators.
i have a question about discret math
Determine how many different words can be formed out of the letters of the word VARANASI? Ans: 720 different words can be formed out of the letters of the word VARANASI.
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two numbers differ by 7 and have a product of 120.what are they ?
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a mixture of 40 liters of milk and water contains 10% water.how much water should be added to this so that water my be 20% in the new mixture
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