10 grade maths
If np(r-1)/a = npr/b = np(r-1)/c, show that b^2 = a(b+c)
If np(r-1)/a = npr/b = np(r-1)/c, show that b^2 = a(b+c)
1 Answer
Arun
Dear suresh
just assume every term = k
Now solve this
you can clearly prove this.
Hope it helps
Regards
Arun
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