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Q.

What is the value of x (a+b) 2 x (b+c) 2 x (c+a) 2 x a x b x c 4  after simplifying it?

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a

3

b

0

c

5  

d

1

answer is C.

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Detailed Solution

Given- x (a+b) 2 x (b+c) 2 x (c+a) 2 x a x b x c 4   We can simplify it as,
x(a+b)2x(b+c)2x(c+a)2xaxbxc4=x2a+2b+2b+2c+2c+2ax4a+4b+4c

x(a+b)2x(b+c)2x(c+a)2xaxbxc4=x4a+4b+4cx4a+4b+4c

x(a+b)2x(b+c)2x(c+a)2xaxbxc4=1

Thus, the value of x (a+b) 2 x (b+c) 2 x (c+a) 2 x a x b x c 4  after simplifying it is 1.

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