Verify the Equation: (a²b)/(ac) = (ab)/c in Algebraic Fractions

Question

Indicate whether true or false

a2bac=abc \frac{a^2\cdot b}{a\cdot c}=\frac{a\cdot b}{c}

Video Solution

Step-by-Step Solution

Let's examine the problem first:

a2bac=?abc \frac{a^2\cdot b}{a\cdot c} \stackrel{?}{= }\frac{a\cdot b}{c} Note that we can simplify the expression on the left side, this can be done by reducing the fraction, for this, let's recall the definition of exponents:

a2bac=abc=abc \frac{\textcolor{red}{a^2}\cdot b}{a\cdot c} =\\ \frac{\textcolor{red}{\not{a}}\cdot a\cdot b}{\not{a}\cdot c}=\\ \boxed{\frac{ a\cdot b}{c}}\\ The expression on the right side is also:

abc \frac{a\cdot b}{c} Therefore the expressions on both sides of the equation (assumed to be true) are indeed equal, meaning:

a2bac=abc=!abc \frac{a^2\cdot b}{a\cdot c}= \frac{a\cdot b}{c} \stackrel{!}{= }\frac{a\cdot b}{c}

(In other words, an identity equation holds- which is true for all possible values of the parameters a,b,c a,b,c )

Therefore, the correct answer is answer A.

Answer

True