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If h m n m h r find h in terms of m n and r - WAEC Mathematics 1998 Question

If h(m+n) = m(h+r) find h in terms of m, n and r
A
\(h=\frac{mr}{2m+n}\)
B
\(h=\frac{mr}{n+m}\)
C
\(h=\frac{m+n}{n}\)
D
\(h=\frac{m+n}{m}\)
correct option: e

(h(m+n) = m(h+r)<br /> hm+hn=hm+mr<br /> hn=mr<br /> h=\frac{mr}{n})

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