Multiply the expression by its conjugate and simplify. $8 \sqrt { 3 } + \sqrt { 4 }$
A) 48
B) 70
C) 188
D) 20
E) 572

Name: Multiply the expression by its conjugate and simplify. $8 \sqrt { 3 } + \sqrt { 4 }$ A) 48 B) 70 C) 188 D) 20 E) 572
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Quizplus · Accepted Answer

The conjugate of $8 \sqrt { 3 } + \sqrt { 4 }$ is $8 \sqrt { 3 } - \sqrt { 4 }$. Multiplying the expression by its conjugate, we get: $(8 \sqrt { 3 } + \sqrt { 4 })(8 \sqrt { 3 } - \sqrt { 4 }) = 64 \cdot 3 - 4 = 192 - 4 = 188.$

Multiply the Expression by Its Conjugate and Simplify 83+48 \sqrt { 3 } + \sqrt { 4 }83​+4​

Multiply the Expression by Its Conjugate and Simplify $8 \sqrt { 3 } + \sqrt { 4 }$