Asked by nicky
Multiply and simplify
(9square root 6 - 4 square root 10)
(square root 6 - 7 square root 10)
I have been stumped and working on all day. Any suggestions?
(9square root 6 - 4 square root 10)
(square root 6 - 7 square root 10)
I have been stumped and working on all day. Any suggestions?
Answers
Answered by
Reiny
(9√6 - 4√10)(√6 - 7√10)
= 9√36 - 63√60 - 4√60 + 28√100
= 54 - 67√60 + 280
= 334 - 67√4√15
= 334 - 134√15
= 9√36 - 63√60 - 4√60 + 28√100
= 54 - 67√60 + 280
= 334 - 67√4√15
= 334 - 134√15