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Question

(xa+b)2 (xb+c)2 (xc+a)2 ÷ (xa.xb.xc)4 = x. Solve for x.

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Solution

(xa+b)2 (xb+c)2 (xc+a)2 ÷ (xa.xb.xc)4 = x.
=>(x2a+2b)(x2b+2c) (x2c+2a) ÷ (x4a.x4b.x4c) = x
=>(x2a+2b+2b+2c+2c+2a )÷ (x4a+4b+4c) = x
=>(x4a+4b+4c )÷ (x4a+4b+4c) = x
=>1=x
=>x=1

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