Question

please answer fast

will mark you as brainliest​

Answer 1

Answer:

I THINK ANS IS 15/4

Answer 2

Answer: 15/4

Step-by-step explanation:

= $\sqrt{(\frac{17}{4}-2)(\frac{17}{4}+2 ) } =\sqrt{\frac{9}{4}*\frac{25}{4} }=\frac{3}{2}*\frac{5}{2} =\frac{15}{4}$