Help me with this w/s please.
Attachments:
Answers
Answered by
1
Answer:
7.
let A = 3 + 2√2
and B = 3 - 2√2
then,
A + B = 3 + 2√2 + 3 - 2√2 = 6
AND
AB = ( 3 + 2√2)(3-2√2)
= 3³ - 2√2²
= 9 - 8 = 1
SO,
required quadratic equation
is X²- (A + B) X + AB. = 0
= X² - 6X + 1 = 0
Answered by
1
Hope its usefull...❤
Please mark this answer as brainliest
Attachments:
Similar questions