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IfP=(1/(X_p),p),Q=P=(1/(X_q),q),R=(1/(x^r),r) " where " x_k ne 0, " dentoes the " k^th term of H.p. for k in N, then |
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Answer» AREA of `DeltaPQR=((p^2q^2r^2)/2)SQRT((p-q)^2+(q-R)^2+(r-p)^2))` |
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