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If a,b,c are in continued proportion, then show that `1/b^2= 1/(b^2-a^2)+1/(b^2-c^2)`

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UNITED BOOK HOUSE-GHORANASH HIGH SCHOOL -EXERCISE
  1. If x= (sqrt7+sqrt3)/(sqrt7-sqrt3) and xy = 1, find the value of (x^2+3...

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  2. If a alpha b and b alpha c, show that a^3+b^3+c^3 alpha 5 abc.

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  3. If a,b,c are in continued proportion, then show that 1/b^2= 1/(b^2-a^2...

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  4. If a^2/(b+c)=b^2/(a+c)=c^2/(a+b)=1, then show that 1/(1+a)+1/(1+b)+1/(...

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  8. Two chords AB and AC of the larger of two concentrci circles touch the...

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