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First acidify the solution using dilute nitric acid, then add silver nitrate. The silver ions should react with the halide ions to form a precipitate, with colour depending on which halide ion is...

First it's helpful to write f(x) = (x^0.5)ln(x)The product rule is useful here, this may be written in the form (u(x)v(x))' = u(x)v'(x) + u'(x)v(x).Here we will take u(x) = x^0.5 and v(x) = ln...

There are 3 methods for finding the range of a polynomial fucntion. This is good news because if you arrive at the same answer using these methods you wil be more confident that it is the correct answer.T...

Conjugation is not as common in English as it is in Spanish, especially in the past tense. Unlike English, there are two versions of the Spanish past tense called the Preterite and

The double angle formula is how to combine/split trigonometric functions so that they can be integrated or simplified using identities. For example, cos (a+b)= cos(a)cos(b) - sin(a)sin(b) , which can be e...