Question

If x + y = √5 and x-y= √3 then the expression 4xy (x2 + y2) has the value
(A) 5√3
(B) 12√5
(C) 8
(D) 16​

Answer 1

Answer:

hope it is helpful..............

Answer 2

Answer:

√2 / ( 3√6 - √5 ) = x√3 - ʏ√10

√2 / ( 3√6 - √5 ) × ( 3√6 + √5 ) / ( 3√6 + √5 ) = x√3 - ʏ√10

√2 ( 3√6 - √5 ) / (3√6)² - √5²

( 3√12 - √10 ) / ( 9*6 - 5 )

( 3*2√3 - √10 ) / ( 54 - 5 )

( 6√3 - √10 ) / 49 = x√3 - ʏ√10

ʜᴇɴᴄᴇ, x = 6 / 49 ᴀɴᴅ ʏ = 1 / 49

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs

hope it helped