1.

find (x-y)3 +(y-z)3 + (z-x)3 find x+1/x if x2 +1/x2=34 factorise x2-y2x-y find the value of x3+y3+12xy - 64 when x+y=4 if x and y are two positive real numbers such that x2 - 4y2=40 xy=6 find x+2y if abc are all nonzero and a+b+c=0 prove that a2/bc+b2/ac+c2/ab=3 (m+2n)2+101(m+2n)+100

Answer»

find (x-y)3 +(y-z)3 + (z-x)3

find x+1/x if x2 +1/x2=34

factorise x2-y2x-y

find the value of x3+y3+12xy - 64 when x+y=4

if x and y are two positive real numbers such that x2 - 4y2=40 xy=6 find x+2y

if abc are all nonzero and a+b+c=0 prove that a2/bc+b2/ac+c2/ab=3

(m+2n)2+101(m+2n)+100



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