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Naya [18.7K]
2 years ago
5

If a,b,c,d are in continuous proportion then prove that (c+a) (c+d) = (b+c) (b+d)​

Mathematics
1 answer:
sesenic [268]2 years ago
8 0

Answer:

We must prove that (c+a)(c+d) = (b+c)(b+d)

  1. Let us use principles from mathematical induction
  2. \frac{a}{b}  =  \frac{b}{c}  =  \frac{c}{d}  = x
  3. a=bx , b=cx, c=dx
  4. a+c = b + c
  5. c +d = b + d
  6. Such that (a+c)(c+d)=(b+c)(b+d)

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