Asked by Jessica Braga on May 17, 2024
Verified
Find the product of (t−6) ( \sqrt { t } - 6 ) (t−6) and its conjugate.
A) t−6\sqrt { t } - 6t−6
B) t−12t- 12t−12
C) t−36\sqrt { t } - 36t−36
D) t−36t - 36t−36
E) t+12t−36t + 12 \sqrt { t } - 36t+12t−36
Conjugate
In mathematics, refers to a component that is paired with another but differs in some way, commonly used in complex numbers where it involves changing the sign of the imaginary part.
Product
The result of multiplying two or more numbers or expressions.
- Understand the process of multiplying expressions with their conjugates and the impact on simplification.
Verified Answer
FF
Franky freemenMay 22, 2024
Final Answer :
D
Explanation :
The product of a binomial and its conjugate follows the pattern of the difference of squares, which is $(a+b)(a-b)=a^2-b^2$. In this case, the binomial is $\sqrt{t}-6$ and its conjugate is $\sqrt{t}+6$, so their product is $(\sqrt{t}-6)(\sqrt{t}+6)=\sqrt{t^2}-36=t-36$. Thus, the best choice is D.
Learning Objectives
- Understand the process of multiplying expressions with their conjugates and the impact on simplification.