p/q+s/r=q/p+r/s if, so show that p³/q³+s³/r³=q³/p³+r³/s³
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Answer:
It is given that
P+Q+R=0
We have to prove that : P^3+Q^3+R^3=0P
We know that:
p³+q³+r³-3pqr=(p+q+b)
(p² +q²+r²-Pq-qr-PR)
p³+q³+r³-3par=0x(p²+q²+r²-Pa-qr-PR)
p³+q³+r³-3pqr=0
p³+q³+r³ =3pqr
hope its help
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