The 94th and 95th question please.
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94.
a+1/b=3
ab+1=3b
b=ab+1/3
b+1/c=4
bc+1=4c
c=bc+1/4
c+1/a=8/11
ac+1/a=8/11
11ac+11=8a
a=11ac+11/8
now,
abc=(11ac+11)/8*(ab+1)/3*(bc+1)/4................solve it
95.
Use formula of a^2-b^2 = (a+b)(a-b)
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