If a and b are the roots of the equation x2 - 8x + 8 = 0, then the value of a2 + b2 is:  Choose the correct choice from the following answers: A) 36 B) 48 C) 17 D) 6 E) 5
Sol.(b) The sum of roots = a+ b = 8   Product of roots = ab = 8   Now, a2 + b2 = (a + b)2 - 2ab = 64 - 16= 
<gadget id="calculator">64 - 16</gadget>
<output>48</output>
48   Answer 48
<result>B</result>
If a and b are the roots of the equation x2 - 8x + 8 = 0, then the value of a2 + b2 is: