Please solve q 32?

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Answer 1 · 2018-04-12T12:15:45

The answer is #"option (d)"#

Let

#a/(b+c-1)=k#

#b/(c+a-b)=k#

#c/(a+b-c)=k#

Then,

#a=k(b+c-1)#

#b=k(c+a-b)#

#c=k(a+b-c)#

Adding the equations

#a+b+c=cancelkb+cancelkc-k+kc+ka-cancelkb+ka+kb-cancelkc#

#=ka+kb+kc-k#

#k=(a+b+c)/(a+b+c-1)#

The answer is #"option (d)"#